Spinach Squares - cooking recipe

Ingredients

4 Tbsp. butter, melted
2 boxes frozen spinach or 1 can spinach
3 eggs
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 small chopped onion
1 lb. grated Cheddar or Colby cheese

Preparation

Spread melted butter in a 9 x 13-inch pan.
Mix spinach, eggs, flour, milk, baking powder and salt.
Mix in cheese and onion. Spread in a pan.
Bake at 350\u00b0 for 30 to 45 minutes, until set. Cut into squares.
Freezes well.