Spinach Brownies - cooking recipe

Ingredients

1 c. flour
1 tsp. salt
1 tsp. baking powder
1 pkg. frozen, chopped spinach, thawed and drained
1 c. milk
1/4 lb. butter, melted and cooled
1/2 c. chopped onion
8 oz. grated Cheddar cheese
2 eggs, beaten

Preparation

Add beaten eggs, butter and milk to dry ingredients.
Add other ingredients.
Mix and pour into 9 x 13-inch pan.
Bake at 350\u00b0 for 30 to 35 minutes.
Cool; cut into squares.
Freeze.
To use, thaw and reheat at 350\u00b0 for 10 to 12 minutes.