3 cups fresh blueberries (may use thawed, unsweetened frozen berries) 
3 cups fresh blackberries (may use thawed, unsweetened frozen berries) 
1 tablespoon fresh lemon juice 
6 tablespoons Splenda sweetener 
1/4 cup all-purpose flour 
Cooking spray 
3/4 cup all-purpose flour 
2 tablespoons Splenda sweetener 
1/2 cup packed brown sugar 
1/2 teaspoon cinnamon 
5 tablespoons reduced-calorie stick margarine, cut into small pieces (do not soften) 
1/4 cup chopped walnuts
Crumb topping: 
Preheat oven to 375°F. In a large bowl, place blueberries, blackberries, lemon juice, 6 tablespoons Splenda, and 1/4 cup flour; stir gently to combine. Transfer to an 8” x 8” baking dish coated with cooking spray. In a small bowl, stir together 3/4 cup flour, 2 tablespoons Splenda, brown sugar, and cinnamon. Cut in margarine with a fork until mixture is crumbly. Stir in walnuts and sprinkle evenly over fruit mixture. Bake 40–45 minutes, or until topping is golden-brown and fruit is bubbly. Portion into 9 equal servings. Serve warm. 
Yield: 12 servings.
Preparation time: 15 minutes. 
Baking time: 40–45 minutes.   
Serving size: 1/12 of pie. 
Nutrition Facts Per Serving:
 Calories:  258
, Carbohydrates:  40 g
, Protein:  2 g
, Fat:  10 g
, Saturated Fat:  3 g
, Cholesterol:  3 mg
, Sodium:  109 mg
, Fiber:  2 g
Exchanges per serving:
 1 starch, 1 ½ fruit, 2 fat. 
Carbohydrate choices: 2 ½.