Sweet Potato Cake with Cream Cheese Icing - VeryVera

Ingredients

• 4 c mashed sweet potatoes (about 4-5 medium)
• 3 1/4 c cake flour
• 1 tbsp. baking powder
• 1 tbsp. baking soda
• 1 tbsp. ground cinnamon
• 1 tsp. nutmeg
• 2 tsp. ground ginger
• 1/2 tsp. salt
• 2 c granulated sugar
• 1 1/2 c light brown sugar
• 2 sticks unsalted butter, melted, slightly cooled
• 1/4 c vegetable oil
• 1 tbsp. vanilla extract
• 4 eggs, room temperature
• 1 c buttermilk, room temperature
• Baker\'s Joy
• 1 stick unsalted butter, room temperature
• 16 oz cream cheese, room temperature
• 1 1/2 tsp. cinnamon
• 3/4 tsp. salt
• 2 lb confectioners’ sugar