Donut Birthday Cake Recipe. Stir in baking soda, salt, and espresso powder. Birthday cake donuts are filled with sprinkles and drizzled with a warm glaze.
Whisk together cake mix, sour cream, melted butter and egg in a large bowl until well blended. Preheat oven to 350 degrees. Grease a 10″ donut bundt pan with shortening, then dust with flour.
Frost the fluted area with buttercream, filling in the dips.
Place as many whole donuts as you can fit in a single layer in the bottom of the casserole dish. Whisk together cake mix, sour cream, melted butter and egg in a large bowl until well blended. Vegan birthday cake donuts are a sweet and fluffy donut recipe that is sure to put a smile on anyone’s face. Stir in baking soda, salt, and espresso powder.