Baked Alaska with Chocolate Cake and Chocolate Ice Cream

INGREDIENTS

2 cups

sugar

1 1/3 cups

all-purpose flour

1 cup

unsweetened Dutch-process cocoa powder

2 tsp

baking powder

2 tsp

baking soda

Salt

1 cup

vegetable oil

2/3 cup

warm water (about 100 degrees)

2 tsp

pure vanilla extract

large eggs, room temperature, separated

Vegetable oil, cooking spray

6 cups

chocolate ice cream (3 pints)

large egg whites, room temperature

3 cups

sugar

cream of tartar