Cut potatoes into 1 inch chunks.

Combine potato and water in a 2 quart casserole. Cover with casserole lid, and microwave at HIGH for 7 minutes, stirring after 3-1/2 minutes.

Add onion; cover and microwave at HIGH for 3 minutes or until vegetables are tender.
Stir in barbecue sauce; cover and microwave at HIGH for 2 minutes.

Yield: 3 servings (serving size: 1 cup)