Chocolate Sandwich Gobs (Amish)

2 cups granulated sugar
1 cup margarine, melted
2 eggs, beaten
4 cups all-purpose flour
1/2 cup unsweetened cocoa
2 teaspoons salt
1 cup soured milk or buttermilk
2 teaspoons baking soda
Your favorite chocolate icing

Combine sugar, margarine and beaten eggs in large mixing bowl; mix well. Sift together flour, cocoa and salt; add dry ingredients to creamed mixture, alternately with sour milk or buttermilk. Add baking soda to dough, mixing until combined.