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Peanut Butter Blondies: Rich, Chewy, and Irresistibly Nutty

There is something wonderfully comforting about a freshly baked blondie. Unlike brownies, blondies have a buttery, vanilla-rich flavor that becomes even more delicious when paired with creamy peanut butter. These Peanut Butter Blondies are soft and chewy in the center, lightly crisp around the edges, and packed with the warm, nutty flavor of peanut butter.

They are simple enough for a casual weekend bake but delicious enough to serve at a party, bake sale, or family gathering. The best part is that you don’t need a mixer or complicated ingredients—just a bowl, a whisk, and a baking pan.

Why You’ll Love These Peanut Butter Blondies

These blondies have a wonderfully balanced texture. Brown sugar keeps the centers moist and chewy, while melted butter gives them a rich flavor and slightly crisp edges. Peanut butter adds a creamy nuttiness throughout the batter, while vanilla brings everything together.

For an extra treat, you can add chocolate chips, chopped peanuts, or even a drizzle of melted chocolate after baking.

Ingredients

1 cup (226 g) unsalted butter, melted and slightly cooled
1 cup (200 g) creamy peanut butter
1 ½ cups (300 g) packed light brown sugar
½ cup (100 g) granulated sugar
2 large eggs
2 teaspoons vanilla extract
2 cups (250 g) all-purpose flour
1 teaspoon baking powder
½ teaspoon salt
½ cup (85 g) chocolate chips, optional
¼ cup (30 g) chopped roasted peanuts, optional

Step-by-Step Method

1. Prepare the Baking Pan

Preheat your oven to 350°F (175°C).

Line a 9×13-inch baking pan with parchment paper, leaving some paper hanging over the sides. This makes it much easier to lift the finished blondies from the pan later.

Lightly grease the parchment paper to prevent sticking.

2. Combine the Butter and Peanut Butter

Place the melted butter and peanut butter in a large mixing bowl.

Whisk them together until smooth and completely combined. The mixture should look glossy and creamy.

Allow the melted butter to cool slightly before continuing. It should be warm rather than hot.

3. Add the Sugars

Add the brown sugar and granulated sugar to the peanut butter mixture.

Whisk until the sugars are evenly incorporated. The brown sugar is especially important because it helps create the soft, chewy texture that makes blondies so delicious.