Burnt Leather Cake - cooking recipe

Ingredients

1 1/2 c. sugar
1 c. butter
3 eggs, separated
3 3/4 c. sifted flour
1 1/4 tsp. baking powder
1 c. cold water
1/2 c. burnt liquid, with 1 tsp. soda dissolved in it

Preparation

Burn 1 cup sugar in heavy cast-iron skillet until light in color and
it
foams.
Very,
very\tslowly,
add
1 cup hot water. Stir
until
sugar dissolves and cool (1/2 cup of this is used for
cake).
Cream\tsugar
and
butter together.
Add yolks of eggs;
mix well.
Fold in beaten egg whites.
Bake in 2 (9-inch) pans.
Bake at 350\u00b0 for 45 minutes.