Tortellini with juice

1 tablespoon olive oil 3 carrots (cut into 1/4-inch slices) 2 celery ribs (cut into 1/4-inch slices) 1 onion (coarsely chopped ( about 1 cup) 1/2 teaspoon[...]

1 lb reduced-fat Italian sausage 1/2 cup onion , chopped 1/2 cup carrot , chopped 3 garlic cloves , crushed 1/2 cup zucchini , chopped 2 (14 1/2 ounce) cans[...]