The Best Red Velvet Weed Cake Recipe Ideas. Web red velvet whoopie pies. Web preparation time 30 mins to 1 hour cooking time 10 to 30 mins serves serves 8 dietary ingredients for the red velvet cake butter, for greasing 250g/9oz plain flour 1 tbsp cocoa powder 2 tsp.

Web in a separate bowl mix together oil, vinegar, food coloring, and vanilla. Step 2 preheat oven to. Prepare cake according to package directions, substituting half of the water called for with buttermilk (approximately 1/2 cup).