Pasta Fagioli with ditalini

1 tablespoon olive oil 1 onion , chopped 2 cloves garlic , finely chopped 1 carrot , peeled & chopped 1 stalk celery , chopped 1 lb sweet Italian sausage[...]

8 ounces ditalini (1 3/4 cups) 2 slices bacon , cut into 1/2-inch pieces 1 medium onion , diced 2 teaspoons olive oil 1 tablespoon olive oil 3 garlic cloves ,[...]

4 Italian sausages, removed from casings (mild or hot, your choice, about 1 pound) 4 tablespoons olive oil , divided 1 medium onion , chopped 2 stalks celery[...]