Pierce potatoes with a fork. Arrange potatoes in a circle on a paper towel in bottom of microwave oven. Microwave at HIGH 5 minutes; rearrange potatoes and continue cooking for another 5 minutes. Wrap potatoes in a towel, and let stand 5 minutes. Peel and cube potatoes; set aside.

Combine onion and next 15 ingredients (onion through bay leaf) in a 3-quart casserole; stir well. Cover with casserole lid, and microwave at HIGH 5 minutes; stir and continue cooking for another 5 minutes. Stir in potato, shrimp, and fish. Cover and microwave at high 3 minutes or until fish flakes easily when tested with a fork. Discard bay leaf.

Nutritional analysis per serving: Calories 229, Protein 20.9g, Fat 3.8g, Calories From Fat 15%, Carbohydrate 27g, Cholesterol 70mg, Fiber 3.2g, Sodium 333mg.