• prep: 1 hr
• cook: 0 hr
• total: 1 hr

servings:

This extravagant dessert has everything: ice cream, nuts, fluffy marshmallow, and enough satisfyingly cakey bits to hold it all together. Sometimes more is better.

• Unsalted butter, for pans
• 2/3 cup all-purpose flour, plus more for pans
• 2/3 cup sugar, divided
• 1/2 cup unsweetened cocoa powder
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1/2 teaspoon coarse salt
• 1/2 cup safflower oil
• 1/3 cup warm water
• 1 teaspoon pure vanilla extract
• 3 large eggs, room temperature, separated
• 4 large egg whites, room temperature
• 1 cup sugar
• 1/4 teaspoon cream of tartar
• 3 pints chocolate ice cream (6 cups), slightly softened
• 1 cup chopped toasted skinned hazelnuts

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