Spiced Butter Rum Blondies are a delightful twist on the classic blondie, combining rich buttery goodness, warm spices, and a hint of rum for an indulgent dessert. These blondies have a chewy texture, a caramelized brown sugar flavor, and the perfect balance of sweet and spice. The addition of rum elevates their complexity, making them an ideal treat for fall gatherings, holiday parties, or any time you crave something unique and decadent.
Blondies are often considered the “vanilla” version of brownies, but their dense, fudgy texture and deep flavor make them just as satisfying. The spiced butter adds depth, and when combined with the warmth of cinnamon, nutmeg, and a splash of dark rum, it creates a dessert that is both sophisticated and comforting.
The Story Behind Blondies & The Influence of Rum
Blondies date back to the early 20th century, first appearing in American cookbooks as a “butterscotch brownie”. Unlike their chocolate counterpart, brownies, blondies rely on brown sugar, butter, and vanilla for their signature flavor. Over time, they have evolved with different mix-ins and flavor enhancements, leading to delicious variations like pumpkin blondies, butterscotch blondies, and now, spiced butter rum blondies.
Rum has a long history in baking, particularly in Caribbean and European cuisine, where it has been used in fruitcakes, puddings, and other rich desserts. The natural sweetness and deep caramel notes of rum pair beautifully with the buttery, brown sugar base of blondies, adding a subtle yet distinct boozy undertone.
Preparation Phase & Tools to Use
Before diving into the recipe, having the right tools and ingredients is crucial for achieving the perfect blondies—moist, chewy, and packed with flavor.
Essential Tools and Equipment
- Mixing Bowls – One for dry ingredients, one for wet ingredients.
- Whisk & Spatula – A whisk ensures even mixing, and a spatula is useful for folding the batter.
- Hand Mixer or Stand Mixer – Helps cream the butter and sugar for the perfect texture.
- Baking Pan (8×8 or 9×9 inches) – A square pan creates even blondie bars.
- Parchment Paper – Prevents sticking and makes removal easy.
- Measuring Cups & Spoons – Precision ensures a well-balanced batter.
- Cooling Rack – Helps blondies set properly after baking.
Ingredients List with Measurements
For moist, chewy blondies with the perfect balance of buttery richness, warm spices, and rum, use high-quality ingredients.
Dry Ingredients
- 1 ½ cups all-purpose flour (for structure)
- 1 teaspoon baking powder (for slight lift)
- ½ teaspoon salt (enhances flavor)
- 1 teaspoon ground cinnamon
- ½ teaspoon ground nutmeg
- ¼ teaspoon ground allspice
- ¼ teaspoon ground cloves
Wet Ingredients
- ¾ cup unsalted butter (melted & spiced)
- 1 cup light brown sugar (packed)
- ¼ cup granulated sugar
- 1 large egg + 1 egg yolk (for richness)
- 2 tablespoons dark rum (or rum extract for non-alcoholic)
- 1 teaspoon vanilla extract
Mix-Ins (Optional but Recommended)
- ½ cup white chocolate chips (for creaminess)
- ½ cup toasted pecans (for crunch)
- ¼ cup dark chocolate chunks
Step-by-Step Instructions
Step 1: Prepare the Spiced Butter
- In a small saucepan, melt the unsalted butter over medium heat.
- Once melted, add the cinnamon, nutmeg, allspice, and cloves. Stir continuously for about 1 minute to let the flavors bloom.
- Remove from heat and allow the butter to cool for 5-10 minutes. This prevents it from cooking the eggs when added to the batter.
Step 2: Mix the Wet Ingredients
- In a large mixing bowl, whisk together the brown sugar and granulated sugar.
- Pour in the spiced butter and whisk until well combined. The sugar should dissolve slightly, creating a smooth consistency.
- Add the egg and egg yolk, whisking vigorously to incorporate air.
- Stir in the vanilla extract and dark rum, ensuring the mixture is smooth and slightly thickened.
Step 3: Combine Dry Ingredients
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Gradually fold the dry ingredients into the wet mixture using a spatula. Be careful not to overmix, as this can lead to tough blondies.
Step 4: Add Mix-Ins (Optional but Delicious!)
- If using white chocolate chips, pecans, or dark chocolate chunks, fold them in gently.
- Ensure they are evenly distributed for consistent bites of flavor.
Step 5: Bake the Blondies
- Preheat your oven to 350°F (175°C).
- Line an 8×8-inch or 9×9-inch square baking pan with parchment paper.
- Pour the batter into the pan, spreading it evenly with a spatula.
- Bake for 25-30 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.
- Remove from the oven and let cool in the pan for 10-15 minutes before transferring to a wire rack.
Step 6: Cooling & Cutting
- Allow the blondies to cool completely before cutting into even squares.
- Use a sharp knife to achieve clean, neat slices.
Best Pairings for Spiced Butter Rum Blondies
Blondies are incredibly versatile and pair well with various drinks, toppings, and side dishes that enhance their flavors. Since these blondies have buttery richness, warm spices, and a hint of rum, they match beautifully with bold, creamy, and slightly tangy accompaniments.
Beverages That Complement Spiced Butter Rum Blondies
Pairing the right drink with blondies elevates the experience. Here are some excellent options:
Coffee & Espresso Pairings
- A bold espresso balances the sweetness of the blondies.
- A cinnamon latte enhances the warm spices.
- A dark roast coffee with caramel notes complements the buttery richness.
Tea Pairings
- Chai tea (with cinnamon, cardamom, and ginger) brings out the spice.
- Earl Grey tea (bergamot and vanilla) adds citrus depth.
- Spiced apple tea enhances the fall flavors.
Alcoholic Pairings
- Dark rum (aged or spiced) intensifies the blondies’ rum flavor.
- Bourbon brings out the brown sugar and caramel notes.
- Irish cream liqueur adds a smooth, creamy contrast.
Ice Cream Pairings
Adding ice cream turns blondies into an extra-decadent dessert. Try these flavors:
- Vanilla bean ice cream (a classic that complements the butteriness).
- Cinnamon ice cream (amplifies the spices in the blondies).
- Butter pecan ice cream (adds a nutty contrast).
- Rum raisin ice cream (enhances the boozy undertones).
Toppings & Add-Ons
Enhancing blondies with toppings and drizzles creates different textures and flavors. Consider:
- Warm caramel drizzle for extra richness and sweetness.
- Toasted pecans or walnuts for a crunchy contrast.
- Whipped cream with a dash of cinnamon for a light, airy topping.
- Melted dark chocolate drizzle for a deep, bittersweet contrast.
Nutritional Information & Health Benefits
Blondies are a decadent treat, but understanding their nutritional breakdown helps with portion control and ingredient swaps for a healthier version.
Calories & Macronutrient Breakdown (Per Serving)
Exact values depend on portion size, but one standard blondie contains:
- Calories: Approximately 250-350
- Fat: 12-18g
- Carbohydrates: 30-40g
- Sugar: 18-25g
- Protein: 3-5g
Health Benefits of Key Ingredients
While these blondies are an indulgence, they do contain some beneficial ingredients:
Brown Sugar & Dark Rum
- Brown sugar provides molasses-rich flavor and natural minerals like calcium and potassium.
- Dark rum contains antioxidants and polyphenols, which can have minor health benefits in moderation.
Cinnamon, Nutmeg & Cloves
- Cinnamon has anti-inflammatory and blood sugar-regulating properties.
- Nutmeg contains antioxidants and may help with digestion.
- Cloves have antibacterial properties and aid digestion.
Butter & Eggs
- Butter provides fat-soluble vitamins (A, D, E, and K).
- Eggs add protein, structure, and essential nutrients like choline and B vitamins.
How to Make a Healthier Version
For those looking to make a lighter or more nutritious version, try these ingredient swaps:
- Replace some butter with Greek yogurt for less fat.
- Use coconut sugar or a sugar alternative to lower the glycemic impact.
- Substitute half of the all-purpose flour with whole wheat flour for more fiber.
- Use a sugar-free rum extract instead of real rum to cut calories.
Common Mistakes to Avoid & How to Perfect Your Blondies
Even with the best ingredients, small missteps can affect texture and flavor. Here’s how to avoid the most common baking mistakes:
1. Overmixing the Batter
- What Happens: Overmixing activates gluten, resulting in tough, dense blondies.
- Solution: Gently fold in dry ingredients just until incorporated.
2. Using Too Much Flour
- What Happens: Too much flour makes blondies dry and crumbly.
- Solution: Use the “spoon and level” method—scoop flour into a measuring cup and level it with a knife.
3. Not Using Room Temperature Ingredients
- What Happens: Cold eggs and butter don’t mix well, leading to an uneven batter.
- Solution: Bring eggs and other dairy ingredients to room temperature before mixing.
4. Overbaking
- What Happens: Overbaking causes blondies to be dry and hard instead of chewy.
- Solution: Remove from the oven when the edges are golden brown but the center is slightly soft.
5. Skipping the Cooling Step
- What Happens: Cutting blondies too soon makes them fall apart and lose texture.
- Solution: Let blondies cool in the pan for at least 15 minutes, then transfer them to a wire rack.
How to Customize & Experiment with Flavors
One of the best things about blondies is their versatility. Here are some ways to switch up the flavors:
Chocolate Variations
- Swap white chocolate chips for dark chocolate chunks for a richer flavor.
- Drizzle melted chocolate over cooled blondies for an extra indulgence.
Nut & Fruit Additions
- Chopped pecans, walnuts, or almonds add crunch.
- Dried cranberries or raisins bring a fruity contrast.
- Shredded coconut enhances the tropical notes from rum.
Boozy Versions
- Add a bourbon glaze for a deeper liquor flavor.
- Use coconut rum for a tropical variation.
- Mix in a tablespoon of espresso powder for a mocha twist.
How to Store, Reheat & Freeze Blondies
Blondies stay fresh for several days, but proper storage and reheating methods help maintain their chewy texture and rich flavor.
Short-Term Storage (1-3 Days)
For soft, fresh blondies, store them at room temperature:
- Place blondies in an airtight container to prevent them from drying out.
- If stacking, separate layers with parchment paper to avoid sticking.
- Keep them in a cool, dry place, away from direct sunlight.
Refrigerating Blondies (Up to 1 Week)
If you want to extend freshness, refrigerating blondies is a great option:
- Wrap them tightly in plastic wrap or foil to prevent drying.
- Place in an airtight container for added protection.
- Bring them to room temperature before serving for the best texture.
Freezing for Long-Term Storage (Up to 3 Months)
Freezing blondies is perfect for meal prep or special occasions:
- Wrap each blondie individually in plastic wrap to prevent freezer burn.
- Place them in a ziplock bag or airtight container.
- Label with the date to track freshness.
How to Thaw and Reheat Blondies
To enjoy blondies just like they were freshly baked:
- Room Temperature Thawing: Let frozen blondies sit out for 1-2 hours before eating.
- Oven Reheating: Bake at 300°F (150°C) for 5-7 minutes to restore warmth and chewiness.
- Microwave Method: Heat for 10-15 seconds for a quick fix.
FAQs About Spiced Butter Rum Blondies
1. Can I Make These Blondies Without Alcohol?
Yes! Simply replace the dark rum with:
- Rum extract for a similar depth of flavor.
- Vanilla extract or maple syrup for a warm, sweet alternative.
2. What Type of Rum Works Best?
- Dark rum provides the richest, most complex flavor.
- Spiced rum adds extra warmth from cinnamon, nutmeg, and clove.
- Coconut rum creates a tropical twist.
3. Can I Use Gluten-Free Flour?
Yes! Substitute 1:1 gluten-free baking flour for the same results. Avoid almond or coconut flour alone, as they absorb more moisture and may alter texture.
4. How Do I Make Dairy-Free Blondies?
Swap the butter for:
- Coconut oil (adds a subtle tropical flavor).
- Vegan butter (maintains traditional taste).
5. Why Are My Blondies Dry?
Dry blondies happen when:
- Overbaking – Remove them when the center is slightly soft.
- Too much flour – Always measure using the spoon and level method.
- Not enough fat – Butter and eggs create moisture, so avoid reducing them.
6. Can I Double the Recipe?
Yes! For a larger batch, double all ingredients and bake in a 9×13-inch pan. Increase baking time by 5-10 minutes, checking frequently for doneness.
7. Should I Use Light or Dark Brown Sugar?
Either works, but dark brown sugar adds deeper caramel flavors due to its higher molasses content.
8. What’s the Best Way to Cut Blondies Evenly?
- Let them cool completely before cutting.
- Use a sharp knife and clean it between slices for cleaner edges.
- Score the surface lightly before cutting to guide portions.
9. How Can I Add More Rum Flavor Without Extra Liquid?
- Increase the rum extract instead of actual rum.
- Add rum-soaked raisins or nuts for an extra boozy bite.
10. Can I Use White Chocolate Instead of Dark Chocolate?
Yes! White chocolate pairs beautifully with the warm spices, creating a sweeter, creamier version.
Final Thoughts & Pro Tips
Spiced Butter Rum Blondies are the perfect balance of warmth, richness, and indulgence. Whether you’re baking for a holiday treat, a cozy night in, or a special occasion, these blondies deliver a deliciously chewy bite every time.
Last-Minute Baking Tips for Success
- Always use room temperature eggs and butter for a smooth batter.
- Do not overmix the batter—stir just until combined.
- Let the blondies cool before cutting to prevent them from falling apart.
- Store properly to retain freshness for days.
Try this recipe today and enjoy the deep, caramelized flavors of Spiced Butter Rum Blondies!
Print
Spiced Butter Rum Blondies
- Total Time: 40 minutes
- Yield: 9–12 blondies 1x
- Diet: Vegetarian
Description
Chewy, buttery blondies infused with warm spices and a hint of dark rum for the perfect indulgent treat.
Ingredients
Dry Ingredients:
- 1 ½ cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon salt
- 1 teaspoon ground cinnamon
- ½ teaspoon ground nutmeg
- ¼ teaspoon ground allspice
- ¼ teaspoon ground cloves
Wet Ingredients:
- ¾ cup unsalted butter, melted & spiced
- 1 cup light brown sugar, packed
- ¼ cup granulated sugar
- 1 large egg + 1 egg yolk
- 2 tablespoons dark rum (or rum extract)
- 1 teaspoon vanilla extract
Optional Mix-Ins:
- ½ cup white chocolate chips
- ½ cup toasted pecans
- ¼ cup dark chocolate chunks
Instructions
- Preheat oven to 350°F (175°C). Line an 8×8-inch or 9×9-inch square baking pan with parchment paper.
- Prepare Spiced Butter: Melt butter in a saucepan over medium heat. Stir in cinnamon, nutmeg, allspice, and cloves, cooking for 1 minute. Let cool for 5-10 minutes.
- Mix Wet Ingredients: Whisk brown sugar and granulated sugar with the spiced butter. Add eggs, vanilla, and rum, mixing until smooth.
- Combine Dry Ingredients: In a separate bowl, whisk flour, baking powder, and salt. Gradually fold into wet ingredients, stirring until just combined.
- Add Mix-Ins (Optional): Gently fold in white chocolate chips, pecans, or dark chocolate.
- Bake: Pour batter into the lined baking pan, spreading evenly. Bake for 25-30 minutes, or until the edges are golden and a toothpick inserted in the center comes out with a few moist crumbs.
- Cool & Slice: Let blondies cool in the pan for 15 minutes before transferring to a wire rack. Cut into squares and serve.
Notes
- For non-alcoholic blondies, use rum extract or vanilla instead of dark rum.
- Store blondies in an airtight container at room temperature for up to 3 days or refrigerate for 1 week.
- To freeze: Wrap blondies individually and store in a ziplock bag for up to 3 months.
- For extra chewiness, slightly underbake and let them finish setting while cooling.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Calories: 280
- Sugar: 22g
- Sodium: 120mg
- Fat: 14g
- Saturated Fat: 8g
- Unsaturated Fat: 5g
- Carbohydrates: 35g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 45mg
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