Purple Pygmy Puff Cake - Pankobunny

Ingredients

• ½ cup unsalted butter (room temperature)
• 1 cup sugar
• 1 ½ tsp vanilla extract
• 3 large eggs
• 1 ½ cups all-purpose flour
• ½ tsp baking soda
• ½ tsp salt
• ¾ cup sour cream
• 2 cups unsalted butter (room temperature)
• 2 tsp vanilla extract
• 5 cups confectioner’s sugar
• purple food coloring
• ¼ cup marzipan
• 2 blue sprinkles
• straw or skewer
• edible ink pen