Brownie Batter Frosted Peanut Butter Bars - The BakerMama

Ingredients

• 1 cup (2 sticks) unsalted butter, softened
• 1 cup creamy peanut butter
• 1 cup granulated sugar
• 1 cup light brown sugar
• 2 large eggs
• 1 teaspoon vanilla
• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• 1/2 teaspoon kosher salt
• 3 cups powdered sugar
• 1/2 cup all-purpose flour
• 1/2 cup unsweetened cocoa powder
• 1 teaspoon salt
• 1/4 cup milk
• 1 cup semi-sweet chocolate chips