Pineapple Upside-Down Muffins

Description These muffins have just about everything! Very healthy and YUMMY! Ingredients 1 (10 ounce) can pineapple slices in juice, drained 2 tablespoons brown sugar 2 tablespoons chopped walnuts (Optional) ½ cup regular rolled oats ¾ cup whole wheat flour ¾ cup all-purpose flour 2 teaspoons baking powder ½ teaspoon baking soda ¼ teaspoon salt … Read more