1 ts Olive oil 1/2 c Onion sliced 3 c Mushrooms sliced 1 tb Garlic clove minced 2 md Carrots 10 oz Broccoli frozen 2 tb Tomato paste 1 c Vegetable Broth (home made) 2 ts Cornstarch 1/4 c Yogurt Plain, nonfat 1/4 c Sour Cream lite 4 c Noodles, cooked Chop carrots. Mushrooms are just halved. In a skillet over medium high heat, heat oil;saute onion about 3 minutes until soft. Add mushrooms and garlic continue cooking another 5 minutes. Spoon into slow cooker. Add broccoli, carrots, tomato paste and stock. Cover and cook on medium for 4 hours until most of the liquid is absorbed. Caution the carrots may have to be precooked. Cook noodles per directions. In a small sauce pan stir together cornstarch, yogurt and sour cream. Heat gently over low heat for 1 minute. (do not let sauce boil- it will curdle) Stir sauce into vegetable mixture. Serve over cooked noodles.