Preparation:
Place broth in skillet over medium heat. Add mushrooms, onions, and garlic. Cook, stirring, for 5 minutes or until lightly browned.
Remove from heat and stir in oregano, basil, ricotta, broccoli, and egg whites.
Preheat oven to 350F.
Stuff drained shells with ricotta-broccoli mixture.
Spread 1/2 cup tomato sauce on bottom of 9 by 13 inch nonstick baking pan. Arrange shells over sauce. Top with remaining sauce.
Bake for 30 minutes or until shells are hot. Top with black pepper to taste |