Sweet and Sour Soy Beans

1 1/2 teaspoons cornstarch
1 1/2 teaspoons soy sauce
1 1/2 teaspoons dry sherry
1/2 cup brown sugar
1/2 cup wine vinegar
1/3 cup vegetable stock
2 tablespoons salad oil
1 large onion, cut 1" squares
2 large carrots, cut 1/4" slice
1 clove fresh garlic (lehsun), crushed
1 green pepper (Seeded and cut into 1" squares)
3/4 cup pineapple cubes or canned pineapple chunks, drained
2 tomatoes, cut in wedges
2 1/2 cups soybeans, Cooked (3 to 3-1/2 hours cooking time after soaking)

1. 1. prepare sweet-sour sauce and reserve.
2. 2. sweet-sour sauce: in a bowl combine 1-1/2 t. each cornstarch, soy sauce, and dry sherry; 1/2 cup each brown sugar and wine vinegar; and 1/3 cup vegetable stock.
3. 3. saute the onions, carrots and garlic in the oil, and cook stirring for about 3 minutes or until vegetables are crisp-tender.
4. 4. add green pepper and cook for 1 minute.
5. 5. add pineapple, tomatoes, and soybeans and cook for 2 minutes or until hot.
6. 6. stir sweet-sour sauce, pour into pan, and continue to cook, stirring, until sauce bubbles and thickens.