Mom'S Blueberry Muffins
["1 1/2 c. flour", "1/2 to 3/4 c. sugar", "1 egg", "1/2 c. milk", "1/4 c. salad oil", "2 tsp. baking powder *", "1/2 tsp. salt *", "3/4 c. berries"]
["*If using self-rising flour, omit baking powder and salt."]
["flour", "sugar", "egg", "milk", "salad oil", "baking powder", "salt", "berries"]