Lasagne Tomato Sauce Perfection My SlowCooked Secret

Ingredients

• 2 tablespoons olive oil
• 1 large onion, finely chopped
• 2 carrots, finely chopped
• 2 celery stalks, finely chopped
• 4 cloves garlic, minced
• 1 teaspoon dried oregano
• 1/2 teaspoon dried basil
• 1/4 teaspoon red pepper flakes (optional)
• 2 (28 ounce) cans crushed tomatoes
• 1 (15 ounce) can tomato sauce
• 2 tablespoons tomato paste
• 1 cup dry red wine (optional)
• 1/2 cup beef broth
• 1 bay leaf
• 1 teaspoon granulated sugar
• Salt and freshly ground black pepper to taste