Ingredients:
- 1/2 cup of unsalted butter
- 1/2 cup of granulated sugar
- 1/2 cup of light brown sugar, packed
- 2 large eggs
- 1/2 cup of creamy peanut butter
- 1 teaspoon of vanilla extract
- 3/4 cup of all-purpose flour
- 1/2 teaspoon of baking powder
- 1/4 teaspoon of salt
- 1/2 cup of semi-sweet chocolate chips

Instructions:
- Preheat the oven to 350°F (180°C) and grease an 8-inch square baking pan.
- Melt the butter in a large microwave-safe bowl.
- Add the granulated sugar and brown sugar to the melted butter and stir until fully combined.
- Add the eggs, one at a time, and whisk until fully incorporated.
- Add the peanut butter and vanilla extract to the mixture and whisk until smooth.
- In a separate bowl, whisk together the flour, baking powder, and salt.
- Add the dry ingredients to the wet mixture and stir until just combined.
- Fold in the chocolate chips.
- Pour the batter into the prepared baking pan and spread it out evenly.
- Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center of the brownies comes out clean.
- Let the brownies cool in the pan for about 10 minutes before slicing and serving.
Enjoy your delicious and chewy peanut butter brownies!