Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 onion chopped
• 2 cloves garlic minced
• 1 carrots finely chopped
• 1 celery stalk finely chopped
• 3 cups sliced mushrooms
• 1 sweet red pepper chopped
• 1 yellow pepper chopped
• 1 1/2 teaspoon dried basil
• 1 1/2 teaspoon oregano
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• 2 cans (each 28 oz/ 796 ml) tomatoes
• 2 tablespoons tomato paste
• 1 tablespoon balsamic vinegar
• 4 cups rigatoni pasta
• 2 cups shredded provolone cheese
• 1/2 cup grated parmesan cheese

Meatballs:

• 1 egg
• 1/4 cup dry breadcrumbs
• 1/4 cup grated onion
• 1 clove garlic minced
• 1/4 cup grated parmesan cheese
• 1/2 teaspoon dried oregano
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1 lb lean ground pork