Festive Chaos Cake Layers and Swirls for Holidays

Ingredients

• 2 1/2 cups all-purpose flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 1 cup (2 sticks) unsalted butter, softened
• 2 cups granulated sugar
• 4 large eggs, room temperature
• 2 teaspoons vanilla extract
• 1 cup whole milk
• Gel food coloring (green, red, yellow, blue)
• 1 1/2 cups (3 sticks) unsalted butter, softened
• 5 cups powdered sugar, sifted
• 1/4 cup whole milk
• Pinch of salt
• Edible glitter
• Gold stars
• Christmas sprinkles
• Assorted candies (gumdrops, mini chocolate balls)
• Pretzel sticks (optional, for tree trunk)