Sweet Potato Sheet Cake - Whisk well and set aside. Bake in the preheated oven until a toothpick inserted near the center. Grease or spray a 13×9 inch pan. Spread evenly into the prepared pan. Grate peel from orange to get about 1 1/2 tablespoons; Squeeze orange to get 1/3 to 1/2. Preheat oven to 350°f with oven rack in center of oven. Mix the flour, baking powder, baking soda, salt and spices in a large bowl. In another bowl, whisk flour, baking soda, spices and salt; Stir in 3/4 cup nuts;
Squeeze orange to get 1/3 to 1/2. Preheat the oven to 350 degrees fahrenheit. Grease or spray a 13×9 inch pan. Whisk well and set aside. Prepare oven and cake pans: Spread evenly into the prepared pan. In a large bowl, beat eggs, sugar, oil and vanilla until well blended. Bake in the preheated oven until a toothpick inserted near the center. Web whisk together cake mix, sweet potatoes, eggs, milk, and oil in a bowl. Grate peel from orange to get about 1 1/2 tablespoons; Mix the flour, baking powder, baking soda, salt and spices in a large bowl. Stir in 3/4 cup nuts; Preheat oven to 350°f with oven rack in center of oven. In another bowl, whisk flour, baking soda, spices and salt;