Sweet Potato Sheet Cake with Marshmallow Frosting

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Full Recipe

https://www.kingarthurbaking.com/recipes/sweet-potato-sheet-cake-with-marshmallow-frosting-recipe

Author

David Turner | 2025-05-08

Description

If you think a candy-sweet, bright orange Thanksgiving casserole belongs more on the dessert table than alongside the turkey — or if you love it so much, you'd gladly eat it for dinner and dessert — you'll love this sweet potato sheet cake. Adding puréed sweet potato to the batter yields an incredibly tender cake, and a touch of cardamom and cinnamon brings warm, cozy flavor. The crown? Swoops of brûléed, fluffy meringue that deliver all the sweet satisfaction of toasted marshmallow. It's festive and impressive enough to hold court among your apple and pumpkin pies this holiday.