Congo Bars

INGREDIENTS:

1 cup (2 sticks) butter, at room temperature

2 cups brown sugar, packed

3 large eggs, at room temperature

1 tablespoon vanilla extract

1 teaspoon Kosher salt

2 teaspoons baking powder

2 1/2 cups all-purpose flour

1 1/2 cups semi-sweet chocolate chunks

1 cup milk chocolate chips

DIRECTIONS:

Preheat oven to 350°F. Line a 9×13-inch baking dish with parchment paper and grease with nonstick spray. Set aside.

In a large mixing bowl, beat together the butter and brown sugar with an electric mixer on medium speed for 2 minutes.

Add eggs, vanilla, salt, and baking powder and mix to combine, scraping down the sides of the bowl.

Reduce mixer to low, then add flour. Mix until just combined.

Stir in chocolate chunks and chocolate chips …