Ingredients
Preheat oven to 350 degrees F.
Mix sugar and flour together. Cut margarine or butter into pieces and cut into the sugar/flour mixture. Set aside 1 cup of this crumb mixture.
Whisk baking soda into buttermilk in a small bowl, then beat egg into soda/buttermilk mixture.
Add this to the sugar/flour/butter mixture and mix well.
Pour into a 9 X 13 pan that has been greased and floured on the bottom only. Sprinkle the top with