3 eggs, beaten
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 lb. grated Cheddar cheese
2 (10 oz.) pkgs. frozen chopped spinach, thawed and drained
1 c. chopped onion

Preheat oven to 350 degrees. Melt 2 tablespoons butter in a 9x13 inch dish. Combine first 5 ingredients. Fold in remaining ingredients. Pour into prepared dish and bake 1 hour. Cool 30 minutes before cutting and serving.