Granny's Cornbread

melt:
1 C butter
stir in
1 1/3 C sugar
4 eggs
Blend well
Combine
2 C buttermilk
1 tsp soda
Sift together:
2 C cornmeal
2 C flour
1 tsp salt
combine with wet ingredients, stirring lightly with fork, as little as possible, just till combined  Put in buttered 9 x 13 pan and cook at 400 for