Blueberry Muffins
["2 c. all-purpose flour", "1/2 c. sugar", "3 tsp. baking powder", "1 tsp. salt", "1 c. fresh or frozen blueberries", "3/4 c. milk", "1/3 c. oil", "1 egg"]
["Heat oven to 400\u00b0.", "Grease bottoms only of 12 muffin cups or line with paper baking cups.", "Lightly spoon flour into measuring cup; level off."]
["flour", "sugar", "baking powder", "salt", "blueberries", "milk", "oil", "egg"]