Spinach and Cheese Squares Serving Size : 24 Preparation Time :0:00 Categories : Amount Measure Ingredient -- Preparation Method -------- ------------ -------------------------------- 1/4 cup butter or margarine 1 cup flour 3 eggs 1 cup milk 1 teaspoon salt 1 teaspoon baking powder 1 teaspoon dry mustard 20 ounces frozen chopped spinach -- thawed, squeezed dry 8 ounces mozzarella cheese -- shredded 8 ounces cheddar cheese -- shredded Melt margarine in a 9 x 13 baking dish in the oven. In large mixing bowl, combine flour, eggs, milk, salt, baking powder and mustard. Mix well. Add spinach and cheeses, pour into pan. Bake at 350 F. for 30 minutes. When set, cut into squares and serve warm. Can be reheated. - - - - - - - - - - - - - - - - - - NOTES : You may want to melt the margarine in a small bowl in microwave or in a small saucepan on the stovetop.