Chunky Apple Butterscotch Bars Recipe

Ingredients

• 3/4 cup unbleached flour
• 3/4 cup whole wheat pastry flour
• 1 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1 1/2 sticks unsalted butter, melted, plus more for pan
• 1 1/2 cups light brown sugar
• 2 large egg
• 1 teaspoon vanilla
• 3 cups finely chopped apples, you can leave the peels on
• 1/2 cup butterscotch chips