Multigrain Chocolate Chip Cookies

Name: Multigrain Chocolate Chip Cookies
Ingredients: 1½ cups all-purpose flour; ⅓ cup whole wheat flour; 1½ tsp. baking powder; 1½ tsp. kosher salt; ½ tsp. baking soda; 8 oz. bittersweet chocolate, chopped; 1 cup old-fashioned oats; ⅔ cup raw pumpkin seeds (pepitas) and/or sunflower seeds; ¾ cup polenta and/or quinoa; 3 Tbsp. millet, poppy seeds, and/or flaxseed; 1 cup (2 sticks) unsalted butter, room temperature; 1 cup (packed) dark brown sugar; ½ cup granulated sugar; ¼ cup powdered sugar; 2 tsp. molasses; 1 large egg; 4 large egg yolks; 1½ tsp. vanilla extract