Double Vanilla Ice Cream Cake Recipe

1. Make the Cake: Preheat oven to 350 degrees F. Grease two 9-inch cake pans and line the bottoms with parchment paper. Grease the parchment, then dust the pans with flour, tapping out any excess; set aside.

2. In a large bowl, whisk together the flour, baking powder, baking soda, salt and 1½ cups of the sugar. In a 4-cup liquid measuring cup or medium bowl, whisk together the melted butter, buttermilk, vegetable oil, vanilla extract, and egg yolks.

3. Place the egg whites in the bowl of a stand mixer fitted with a whisk attachment. Beat the egg whites at medium-high speed until foamy, about 30 seconds. With the mixer running, gradually add the remaining ¼ cup of sugar; continue to beat until stiff peaks form, about 30 more…