1. Preheat oven to 350°. 2. Cook shells as directed--don't overcook because they will cook in oven again. 3. Cool shells in a large bowl of COLD water; set aside for now. 4. Sauté onion in 2 tablespoons of butter until tender, about 5 minutes. 5. Combine broccoli, onion, mozzarella cheese, sour cream, egg and chicken; set aside. 6. Melt 1/4 cup butter in saucepan. Stir in flour, instant bouillon and pepper. 7. Stir in milk and cream; bring to a boil, stirring constantly. 8. Boil and stir 1 minute until thickened. Remove shells from water, strain and pat dry with paper towels. 9. Spread small amount of sauce on bottom of 2-quart rectangular baking dish. 10. Stuff each shell with broccoli and chicken mixture; put shells in dish. 11. Spoon remaining sauce over shells and sprinkle with Parmesan. 12. Bake 30-35 minutes or until hot and bubbly. ---------------------------------------------------------------------------
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Ingredients