French Tomato Sauce
In a large sauce pot heat oil, and add the bacon and cook until slightly crispy. Add the carrots and onions, cover and slowly cook for 20 minutes. Add a dusting of flour to the vegetables and cook until the flour turns golden. Add the tomatoes, garlic, and stock. Bring to a boil, reduce the heat and simmer for 2 hours. Add the sugar and season with salt and pepper. Carefully puree with a hand mixer and strain through a fine sieve.