Spinach Squares - cooking recipe

Ingredients

1/2 stick butter
3 eggs
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 pkg. mild Cheddar cheese, grated (10 oz.)
2 pkg. frozen chopped spinach
1 medium onion, chopped

Preparation

Preheat oven to 350\u00b0.
Put butter in 9 x 13-inch baking dish and melt in oven.
Remove.
In large bowl beat eggs well, then add flour, milk, salt and baking powder and mix well.
Add cheese, spinach and onion; mix well.
Spoon into baking dish and level off.
Bake for 35 minutes.
Let cool.
Cut into squares.