Spinach Squares - cooking recipe

Ingredients

2 (10 oz.) pkg. fresh spinach
4 Tbsp. softened butter
1 c. flour
1 tsp. salt
1 tsp. baking powder
1 lb. shredded Cheddar cheese
3 eggs
1 c. milk
1/2 c. chopped onion
1/2 c. chopped mushrooms (optional)

Preparation

Wash, cook and drain spinach.
Beat eggs.
Add butter, flour, milk, salt and baking powder.
Stir in cheese, onion, spinach and mushrooms.
Put mixture in a greased 9 x 13-inch pan and level mixture.
Bake at 350\u00b0 for 35 minutes.
Remove from oven and cool for 45 minutes.
Cut into bite size squares.