4 T butter
1 cup flour
1/2 tsp. salt
1/2 tsp. baking powder
2 10-oz. pkgs chopped frozen spinach (thawed and well drained)
1 lb. grated Monterey Jack cheese (or combination of your favorite cheeses)
1/4 cup chopped onion
1 cup buttermilk
Cook spinach and drain well. Melt butter in a 9X13 pan. Beat eggs and milk together.
Add flour, salt and baking powder. Mix well. Mix in spinach, cheese and onion to egg mixture. Pour into pan and spread evenly. Bake 40 minutes at 350 degrees F (preheated oven). Top will be slightly brown. Cool a little and cut into squares.
* It takes a pretty big bowl in which to mix everything. Here is what the mixture looks like when placed in the oven: