Salted Pretzel Peanut Butter Chip Bars - The BakerMama

Ingredients

• 1-1/4 cups all-purpose flour
• 2 cups crushed pretzel pieces, divided
• 1-1/2 teaspoons baking powder
• 1 teaspoon kosher salt
• 1 stick unsalted butter
• 1-1/2 cups light brown sugar
• 2 large eggs
• 2 teaspoons vanilla extract
• 3/4 cup peanut butter chips, divided
• 3/4 cup semisweet chocolate chips, divided