Blondies Recipe for 9x13 Pan: Easy and Delicious Brown Sugar Bars

Blondies are a rich, chewy, and buttery alternative to traditional brownies, made with brown sugar and vanilla for a deep caramel flavor. Perfectly baked in a 9×13 inch pan, this recipe yields a generous batch of irresistible blondie bars that are ideal for parties, potlucks, or a sweet treat at home. Their moist texture and gooey chocolate chips or nuts make them a crowd favorite that’s easy to customize.

Ingredients

1 cup (226 grams) unsalted butter, melted
1 1/2 cups (300 grams) packed brown sugar (light or dark)
2 large eggs
2 teaspoons vanilla extract
2 cups (250 grams) all-purpose flour
1 teaspoon baking powder
1/2 teaspoon salt
1 cup (175 grams) semi-sweet chocolate chips (optional)
1 cup (100 grams) chopped nuts (walnuts, pecans, or optional)

Instructions

Preheat your oven to 350°F (175°C). Grease or line a 9×13 inch baking pan with parchment paper for easy removal.
In a large mixing bowl, combine the melted butter and brown sugar. Stir well until smooth and fully incorporated.
Add the eggs one at a time, mixing well after each addition to ensure a smooth batter. Stir in the vanilla extract.

In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add this dry mixture to the wet ingredients, stirring gently until just combined. Do not overmix, as this can make the blondies dense.
Fold in the chocolate chips and chopped nuts, if using. Distribute evenly throughout the batter.
Pour the batter into the prepared pan, spreading it out evenly with a spatula to ensure uniform baking.

Bake in the preheated oven for 25-30 minutes. The edges should be golden brown, and a toothpick inserted into the center should come out with moist crumbs, not wet batter.
Remove from the oven and allow the blondies to cool in the pan for at least 15 minutes. Then, transfer them to a wire rack or cut directly in the pan into squares.

Tips

Substitutions: You can substitute the chocolate chips with white chocolate or butterscotch chips for variety. For a dairy-free version, use margarine or coconut oil instead of butter.

Storage: Store blondies in an airtight container at room temperature for up to 3 days or in the refrigerator for up to a week. For longer storage, freeze them wrapped in plastic wrap and foil for up to 3 months.
Prevent overbaking: Keep an eye on the blondies around the 25-minute mark. Overbaking can lead to dry blondies, so start checking early.
Enhancements: Add a sprinkle of sea salt on top before baking for a sweet-salty contrast or swirl in caramel or peanut butter for extra flavor.

Serving Suggestions

Serve blondies warm or at room temperature. They pair beautifully with a scoop of vanilla ice cream, a drizzle of caramel sauce, or a dusting of powdered sugar. For a more decadent treat, serve alongside a cup of coffee or milk. These bars are also excellent as part of a dessert platter or as a sweet addition to brunch spreads.

Variations

Nut-Free Blondies: Omit nuts or replace with allergen-friendly seeds like sunflower or pumpkin seeds.
Chewy Cranberry Blondies: Mix in dried cranberries or cherries for a tart contrast.

Peanut Butter Blondies: Swirl in dollops of peanut butter into the batter before baking for a nutty flavor.
Vegan Blondies: Use coconut oil or vegan butter and flax eggs or applesauce in place of eggs.

Storage and Reheating

Store blondies in an airtight container at room temperature for up to 3 days for optimal freshness. For longer storage, keep them in the refrigerator for up to a week, wrapped tightly to prevent drying out. To reheat, microwave a single blondie for about 15-20 seconds or until warm. You can also reheat in a 350°F (175°C) oven for 5-7 minutes for a freshly baked feel. Avoid over-reheating, as this can cause them to become dry or crumbly.

Frequently Asked Questions

Can I make blondies ahead of time?

Yes, blondies can be prepared a day ahead. Store them in an airtight container at room temperature. They often taste even better after the flavors meld overnight. Just be sure to keep them covered to prevent them from drying out.

Can I freeze blondies?

Absolutely. Once cooled completely, cut them into squares, wrap each in plastic wrap, and place them in a freezer-safe container or bag. They can be frozen for up to 3 months. To serve, thaw at room temperature or reheat briefly in the microwave or oven for a warm, fresh taste.

How do I prevent blondies from becoming dry?

Overbaking is the main cause of dryness. Check for doneness around the 25-minute mark, and remove from the oven when a toothpick inserted into the center comes out with moist crumbs. Also, avoid overmixing the batter, as this can develop gluten and lead to a dense, dry texture.

What makes blondies chewy versus cakey?

The chewy texture is achieved by using more brown sugar and less flour, along with melted butter, which contributes to moisture and chewiness. Cakier blondies would require more flour and less fat. For a chewier result, stick to the recipe as written and avoid overmixing.

Can I add other mix-ins?

Definitely. Besides chocolate chips and nuts, you can add dried fruits, coconut flakes, or even swirled caramel or peanut butter. Just be sure not to overload the batter, as this can affect baking time and texture.

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Blondies Recipe for 9×13 Pan: Easy and Delicious Brown Sugar Bars