Carolyn'S Fluffy Blueberry Muffin
["2 c. all-purpose flour", "1/2 c. sugar", "1 Tbsp. baking powder", "1/2 tsp. salt", "1 egg", "1 c. milk", "1/4 c. salad oil", "1 c. blueberries"]
["Mix all ingredients until moistened.", "Fold berries into mixture.", "Bake at 400\u00b0 for 20 to 25 minutes.", "Makes 12 to 15 muffins."]
["flour", "sugar", "baking powder", "salt", "egg", "milk", "salad oil", "blueberries"]