Spinach Squares - cooking recipe

Ingredients

1 pkg. frozen, chopped spinach
1/2 c. chopped onions
2/3 c. shredded Cheddar
1/3 c. shredded Mozzarella
2 eggs
1 c. flour
1 tsp. salt
1 tsp. baking powder
1 c. milk
1/4 lb. melted margarine

Preparation

Mix flour, salt and baking powder. Add milk and margarine. Mix well. Add all other ingredients.
Mix well. Spray a 13 x 9-inch pan with Pam.
Pour in pan and bake at 375\u00b0 about 30 minutes.