Western desserts - Chocolate cake with homemade chocolate sauce

Chocolate Cake with Homemade Chocolate Sauce

1-1/2 cups sugar

5 eggs

Vanilla

1 cup oil

3 cups flour

3 teaspoons baking powder

1 teaspoon baking soda

1/2 cup cocoa

1-1/2 cups milk

For the sauce:

1 cup powdered milk

3/4 cup powdered sugar

1/2 cup cocoa

1 carton of cream

1/2 cup hot water

1 teaspoon instant coffee