Blueberry Muffins
["2 2/3 c. flour", "1/2 c. sugar", "2 1/4 tsp. baking powder", "1/4 tsp. baking soda", "1 c. buttermilk*", "2 eggs, beaten", "1/2 c. margarine, melted", "1 c. blueberries"]
["*I use powdered buttermilk and whole milk instead of water. Powdered buttermilk can be added to dry ingredients."]
["flour", "sugar", "baking powder", "baking soda", "buttermilk", "eggs", "margarine", "blueberries"]