• 12 ounces jumbo pasta shells
  • 2 tablespoons margarine
  • 1 cup mushrooms, sliced
  • ½ onion, chopped
  • 2 cloves garlic, minced
  • 12 ounces tofu
  • ½ cup dry bread crumbs
  • 1 teaspoon Italian seasoning
  • 2 cups shredded mozzarella cheese
  • 1 egg
  • 16 ounces spaghetti sauce
  • 5 ounces package frozen chopped spinach