Classic Sauce Tomat Recipe (French Tomato Sauce)

Ingredients

• 1 tablespoon unsalted butter
• 2 ounces salt-cured pork, diced small
• 1 cup carrots, diced
• 1 cup onions, diced
• 1 cup celery, diced
• 2 cloves garlic, thinly sliced
• 2 sprigs of thyme
• 1 bay leaf
• 2 (28-ounce) cans whole tomatoes, crushed in a bowl
• 1 quart veal or chicken stock