Coffee Cake

Spread lightly and evenly over the top of the cake

From 911:

One egg
½ cup of sugar
½ cup of sweet milk
1 tablespoonful of melted butter
½ teaspoonful of salt
2 teaspoonfuls of baking powder
½ cupful of flour

Spread lightly and evenly over the top of the cake, before baking, this mixture:
A teaspoonful of melted butter. 3 tablespoonfuls of sugar and 1 teaspoonful of cinnamon. Mix well together.

The oven should not be quite as hot as for biscuits.