2 10 oz pigs frozen chopped spinach, -- thawed and drained
2 cups cream style cottage cheese
1/2 cup butter or margarine -- cut into pieces
1 1/2 cups cheddar cheese, -- 3/4 inch thick
3 large eggs
1/4 cup all-purpose flour
1 teaspoon salt, -- or to taste

Thoroughly combine all ingredients in a mixing bowl. Pour into a greased slow cooker. Cover and cook on high for 1 hour, then on low for another 4 to 5 hours.