Blend first 5 ingredients with electric mixer. Blend in sour cream and egg whites. Spray 9" pie pan with nonfat cooking spray; sprinkle with crumbs. Pour in cheese mixture and bake at 325 degrees for 40 min. Cool, then refrigerate for 3 hours. Top with berries. Servings: 8, Calories: 180, Fat: 0.8 gm, 1 serving = 2 starch