Position rack in center of oven and preheat to 400F. Mix all ingredients in 13x9x2-inch glass baking dish. Bake 15 minutes.
Meanwhile, prepare topping:
Mix flour, 4 tablespoons sugar, baking powder and salt in large bowl. Using fingertips, rub in butter and shortening until mixture resembles coarse meal. Add egg and buttermilk; stir until batter forms.
Remove fruit from oven. Spoon batter over hot filling in 12 mounds, spacing evenly. Sprinkle with 2 tablespoons sugar. Bake until juices thicken and topping is golden, about 30 minutes. Cool on rack at least 15 minutes.
Serve warm with vanilla ice cream.
Per serving: 1173 Calories (kcal); 12g Total Fat; (8% calories from fat); 21g Protein; 273g Carbohydrate; 187mg Cholesterol; 1655mg Sodium Food Exchanges: 0 Grain(Starch); 1 Lean Meat; 0 Vegetable; 11 1/2 Fruit; 1/2 Fat; 5 Other Carbohydrates