Blueberry Snack Cake

2 3/4 c. flour
1 c. milk
3/4 c. sugar
2/3 c. butter, softened (may cut for lower fat)
2 1/2 tsp. double acting baking powder
1 tsp. vanilla extract
1/2 tsp. salt
3 eggs
1 pt. blueberries (2 1/2 c.), fresh or frozen not thawed
1 c. California walnuts, coarsely chopped

Preheat oven to 350 degrees. Grease 15 1/2 x 10 1/2 jelly roll pan. Beat first 8 ingredients until just blended. Beat 2 more minutes on medium. Gently fold in blueberries and walnuts. Spread batter evenly in prepared pan. Bake approximately 45 minutes. 25 servings at 175 calories each.