Christmas Tree Cake

Ingredients

• 1 2/3 cups all purpose flour 213g
• 1 cup granulated sugar 200g
• 1/4 teaspoon baking soda
• 1 teaspoon baking powder
• 3/4 cup unsalted butter 176g, room temperature
• 3 egg whites
• 1/2 cup sour cream 120g
• 1 teaspoon vanilla
• 1/2 teaspoon peppermint extract optional 2.5mL
• 1 pound confectioners sugar 462g
• 2 sticks unsalted butter 228g
• 1/2 cup heavy whipping cream 120mL
• 1 teaspoon vanilla extract
• 12 cones sugar
• 2 pounds confectioners sugar 905g
• 1 pound unsalted butter 454g
• 2 tablespoons milk or heavy cream 15-30mL
• 1 teaspoon vanilla extract
• 20 drops green food coloring