Chocolate Macaroon Cake - cooking recipe

Ingredients

1 egg white (reserve yolk for frosting)
2 tsp. vanilla
2 1/4 c. sugar
2 c. grated coconut (fine)
1 Tbsp. flour
1/2 tsp. salt
1/2 c. cocoa
3/4 c. hot coffee
3 eggs, separated
1 1/2 tsp. salt
1 tsp. soda
1/2 c. sour cream
1/2 c. shortening
2 c. sifted flour

Preparation

Coconut Mixture:
Beat egg white with 1 teaspoon vanilla until soft mounds form.
Add 1/2 cup sugar gradually, beating until stiff peaks form.
Stir in coconut, 1 tablespoon flour and half teaspoon salt.
Set aside.