Big Batch Meatballs and Tomato Sauce

Ingredients

• ¼ cup olive oil
• 1 onion, chopped
• 3 garlic cloves, minced
• 3 tbsp tomato paste
• 2 796-mL cans whole San Marzano plum tomatoes
• 2 tsp granulated sugar
• 1 tsp salt
• ½ cup grated Parmesan cheese
• ½ cup bread crumbs
• ½ cup milk
• 450 g lean ground beef
• 450 g lean ground pork
• 2 eggs, lightly beaten
• 1 onion, grated
• 1 cup grated Parmesan cheese
• ½ cup finely chopped parsley
• 2 garlic cloves, minced
• 2 tsp dried oregano
• 2 tsp salt
• ¾ tsp pepper