Preheat oven to 350°F. In a large pot cook pasta according to package directions. Drain well and add broccoli, chicken broth, cream, mozzarella, cheese product, garlic powder, onion powder, and salt and pepper to taste. Mix well.
For topping:
In a bowl mix breadcrumbs, butter, and Parmesan cheese.
Place in a large baking dish and sprinkle with the breadcrumb mixture. Bake 10 minutes. Makes 4 to 6 servings.