Lemony Blueberry Muffins
["2 c. flour", "3 tsp. baking powder", "1 (8 oz.) carton low-calorie lemon yogurt", "2 Tbsp. oil", "1 c. frozen blueberries", "1/2 c. sugar", "1/4 tsp. salt", "2 eggs", "1 tsp. vanilla", "2 Tbsp. skim milk"]
["Stir together flour, sugar, baking powder and salt.", "In separate bowl, stir together yogurt, eggs, vanilla, oil and milk. Make a well in dry ingredients; add liquid ingredients.", "Add frozen blueberries (do not thaw).", "Stir just until blended.", "Spoon into 12 to 14 (2 1/2-inch) muffin cups that have been sprayed with Pam.", "Fill 12 cups full if you want large muffins or spread batter over 14 cups for smaller muffins.", "Sprinkle tops with a little sugar, if desired.", "Bake in 425\u00b0 oven for about 15 minutes."]
["flour", "baking powder", "lemon yogurt", "oil", "frozen blueberries", "sugar", "salt", "eggs", "vanilla", "milk"]