Step 1: Pre-heat oven to 375°F. Step 2: Mix milk, egg, vanilla, applesauce, cinnamon and brown sugar. Step 3: In separate container mix flour, baking soda, baking powder and salt. Step 4: Slowly add flour mixture to milk mixture, once well mixed, mix in Metamucil Sugar-Free Original Smooth Powder. Step 5: Add blueberries and then pour into muffin tin. Step 6: Bake 15-20 minutes until the middle is done. Tip: Remember to drink 8 oz. of water with each recipe. Looking for more Meta inspired recipes? Try our easy high fiber milkshakes.