Lasagna with flour

2 -3 garlic cloves , chopped 1/4 cup olive oil 1 1/4 lbs italian sweet sausage , cooked and crumbled 4 shallots , chopped 2 (28 ounce) cans tomatoes , pureed[...]

4 slices bacon , cut into small pieces 1 large onion , chopped 2 garlic cloves , minced 1 carrot , finely chopped 1 stalk celery , chopped 2 teaspoons[...]