Spanish Squares

Ingredients:

1/4  cup butter, melted  
1  cup milk  
1  teaspoon baking soda  
1  package frozen spinach, thawed, drained and chopped  
1  cup shredded Chedder or Mozzerella cheese 
3  eggs  
1  cup flour 

Directions:

1.Combine eggs, milk, flour, and baking powder. Beat well. 
2.Add spinach and cheese; mix well. 
3.Pour melted butter into a rectangular pan. 
4.Pour spinach mixture over butter and combine. Bake at 180 degrees for 35 minutes.

5.Cool 10 minutes before cutting into squares