Halloween Drippy Candle Cake

Ingredients

• Unsalted butter, for cake pans
• 2 1/4 cups all-purpose flour
• 2 tsp baking powder
• 1 1/2 tsp ground cinnamon
• 1/2 tsp ground nutmeg
• 1/2 tsp ground ginger
• 1/2 tsp kosher salt
• 1 1/2 cups packed light brown sugar
• 3 large eggs
• 1/2 cup canola oil
• 1 tsp pure vanilla extract
• 1 cup buttermilk
• 1 1/2 cups unsalted butter
• 3 tbsp heavy cream or whole milk
• 4 cups powdered sugar
• 1 cup white vanilla melting wafers
• 1/2 tsp coconut oil