2 c. flour
2 tsp. baking powder
1/2 tsp. salt
1 c. plain yogurt
1 tsp. baking soda
1 egg
1/2 c. vegetable oil
1/2 c. sugar
1 tsp. vanilla
1 c. blueberries, frozen or fresh

Sift flour, baking powder and salt in a separate bowl. Combine yogurt with baking soda; set aside. Beat the eggs in a third bowl, add oil, sugar and vanilla. Add flour mixture and yogurt mixture alternately to egg mixture. Gently fold in berries. Greased muffin tins. Bake 25-30 minutes at 350 degrees.