Cereal Balls

1/4 cupdry sherry or dry white wine

2 tablespoonssoy sauce

4 teaspoonscornstarch

1/2 teaspoonsugar

1 tablespooncooking oil

2 teaspoonsgrated fresh ginger

1 poundfresh asparagus, cut into 1-inch pieces (2-1/2 cups), or one 10-ounce package frozen cut asparagus, thawed and well drained

1 small yellow summer squash, halved lengthwise and sliced (1-1/4 cups)

2 green onions, sliced (1/4 cup)

1 10-1/2-ounce packageextra firm tofu (fresh bean curd), cut into 1/2-inch cubes

1/2 cuppine nuts or chopped almonds, toasted

2 cupshot cooked brown rice