2	10 oz. pkgs.	Frozen, chopped spinach
1	4 oz. can	Mushrooms, drained (reserve liquid)
1	8 oz. can	sliced water chestnuts, drained
2	Tsp.	Minced onion
1 1/2	Tsp.	Salt
1/4	Tsp.	Garlic powder
1	8 oz. carton	Unflavored yogurt

Cook spinach as directed on package except use mushroom liquid and enough water to measure 1/2 cup. Drain well. Stir in remaining ingredients. Heat over low heat, stirring occasionally, just until heated through.