· 12 servings Ingredients: • ½ cup plain yogurt • 3 tablespoons vegetable oil • 1 tablespoon lemon juice • 2 egg whites • ½ teaspoon lemon extract (Optional) • 1 ½ cups all-purpose flour • ¾ cup white sugar (Optional) • 2 teaspoons baking powder • ¼ teaspoon salt • 1 teaspoon grated lemon zest • 1 cup frozen raspberries • 2 tablespoons white sugar for decoration (Optional) Directions: Step 1 Preheat the oven to 400 degrees F (200 degrees C). Grease a 12 cup muffin tin, or line with paper liners. Step 2 In a large bowl, mix together the yogurt, oil, lemon juice, egg whites, and, if using, lemon extract. In a separate bowl, stir together the flour, 3/4 cup sugar, baking powder, salt, and lemon zest. Add the wet ingredients to the dry, and mix until just blended. Gently