Reese’s Peanut Butter Oatmeal Bars

Ingredients

• 1 1/2 sticks unsalted butter, softened
• 2 cups light brown sugar
• 1 cup creamy peanut butter
• 2 eggs, room temperature
• 1 tablespoon vanilla
• 2 cups flour
• 1 1/2 cup old fashioned oats
• 2 1/2 teaspoons baking powder
• 1/4 teaspoon salt
• 1 cup chocolate chips
• 1/2 cup peanut butter
• 2 cups powdered sugar
• 1/3 cup milk
• 2 cups Mini Reese's Peanut Butter Cups, chopped