Spinach Squares

2 eggs, beaten
1 cup milk
1/2 cup butter, melted
1 package frozen chopped spinach, thawed
1 cup flour
1 block cheddar cheese, shredded
1 tsp baking powder
1 tsp salt

Preheat oven to 350

Mix above ingredients. Pour in a greased 9 x 13 pan. Bake for 35 minutes.