2 egg whites, slightly beaten
1 c. plain yogurt
1/4 c. butter, softened
1 1/4 c. all-purpose flour
1 c. quick cooking oats
1/2 c. packed brown sugar
2 tsp. baking powder
1 tsp. ground cinnamon
1/2 tsp. baking soda
1/4 tsp. ground nutmeg
1/4 tsp. salt (optional)
1 c. fresh or frozen (thawed and drained) blueberries