Veggie Shells Soup

Ingredients

• 2 yellow squash, peeled and chopped
• 2 zucchini, sliced
• 1 (10 ounce) package frozen whole kernel corn, thawed
• 1 red bell pepper, chopped
• 1 (15 ounce) can stewed tomatoes
• 1 teaspoon Italian seasoning
• 2 teaspoons dried oregano
• 2 (14 ounce) cans beef broth
• 3/4 cup small shell pasta
• Mozzarella cheese, optional