- Begin by preheating your oven to 400 F. 
- Using a pot, heat up a small amount of cooking fat on medium-low heat. Add the garlic and cook gently until fragrant, which should take around 2 minutes. - 2 tablespoon cooking fat, 2 cloves garlic 
- Next, add the tomatoes, dried thyme, and black pepper to the pot. Mix everything together well, and allow the mixture to simmer for about 10 minutes. While simmering, use a wooden spoon to break up the tomatoes. Once the tomato sauce has finished simmering, pour it into a baking dish. - 16 oz whole tomatoes, 1 tablespoon dried thyme, Freshly ground black pepper 
- In a shallow pan, place the leek halves in water and bring to a boil. Let them boil for about 10 minutes, then drain. - 1 lb leeks 
- Take the cooked leek halves and place them on top of the tomato sauce in the baking dish.  Finally, spread evenly sliced bacon over the top of the dish. - 10 slices bacon 
- Put the baking dish in the preheated oven and let cook for 20 to 25 minutes.