Good Sweet Muffins
["1 egg", "1/2 c. milk", "1/4 c. vegetable oil", "1 1/2 c. flour", "1/2 c. sugar", "2 tsp. baking powder", "1/2 tsp. salt", "1 c. blueberries (optional)"]
["Heat oven to 400\u00b0.", "Beat egg with fork.", "Add remaining ingredients except blueberries and stir until flour is moistened. Batter should be lumpy.", "Add blueberries, if desired.", "Fill muffin cups 2/3 full.", "Bake 20 to 25 minutes.", "Serve warm."]
["egg", "milk", "vegetable oil", "flour", "sugar", "baking powder", "salt", "blueberries"]