Chocolate Icing

1 egg separated
1 cup of milk
1 cup of sugar
2 squares baker's chocolate
lump of butter
1 tsp. vanilla

Put the yolk of one egg in a cup. Beat well. Fill up the cup with milk. Put egg/milk mixture in a pan with sugar. Let it boil for 7 minutes. Do not stir. Add 2 squares of chocolate shaved fine and the lump of butter. Let it boil until the chocolate is well melted. After removing from stove or fire, put 1 tsp. vanilla and beat it!

-- Florence Augusta Siddons Meredith, "Grandma Meredith," 1887-1959