Italian Casserole | Recipe Reader

Ingredients

• 2 pounds ground beef
• 1 large onion, chopped
• 2 cloves garlic, minced
• 1 (24-ounce) jar spaghetti sauce
• 1 (14.5-ounce) can diced tomatoes
• 1 (4-ounce) can mushroom stems and pieces, drained
• 1 teaspoon Italian seasoning
• 3 cups medium pasta shells
• 3 plum tomatoes, sliced
• 3/4 cup provolone cheese, shredded
• 3/4 cup part-skim mozzarella cheese, shredded