Orange Roughy with Vegetables

Thaw fish, if frozen.

In a large skillet, combine the water, onion slice, lemon juice, salt and pepper.

Bring to boiling; reduce heat and add fish fillets and simmer 5 to 8 minutes or until fillets flake when tested.

Meanwhile, in a saucepan, cook mushrooms, pepper, onions and garlic in oil until tender.

Stir in chopped tomatoes and Worcestershire sauce; cook 2 minutes. Transfer vegetables to serving platter.

With slotted spoon, remove fish from cooking liquid and place on vegetables.