Spiced Pumpkin Layer Cake

INGREDIENTS

• 1/2 teaspoon ground nutmeg
• 1 cup (packed) golden brown sugar
• 3/4 cup raisins
• 1 1/2 cups sugar
• 10 tablespoons (1 1/4 sticks) unsalted butter, room temperature
• 1 15-ounce can pure pumpkin
• 3/4 cup sweetened flaked coconut plus additional for garnish
• 1 3/4 teaspoons ground allspice
• 1 tablespoon ground cinnamon
• 3 cups all purpose flour
• 1 cup canola oil
• 1 teaspoon salt
• 4 large eggs
• 1 tablespoon dark rum
• 2 teaspoons ground ginger
• 1 teaspoon vanilla extract or vanilla paste
• 4 1/2 cups powdered sugar (measured, then sifted)
• 1 tablespoon grated orange peel
• 2 teaspoons baking powder
• 1 tablespoon vanilla extract
• 1 8-ounce package cream cheese, room temperature
• 1 teaspoon baking soda