Doctored Red Velvet Cake Mix

Ingredients

• 1 box red velvet cake mix (I like Betty Crocker Delights super moist red velvet cake mix, or Duncan Hines. )
• 5 ounces all purpose flour (1 cup spooned in and leveled)
• 7 ounces granulated sugar (1 cup)
• 6 ounces sour cream, room temperature (or plain greek yogurt - 3/4 cup)
• 2 Tablespoons cocoa powder
• 1/2 tsp salt
• 1/2 tsp baking soda
• 1 tsp vanilla extract
• 2 ounces vegetable oil (1/4 cup)
• 4 ounces unsalted butter, melted (1/2 cup)
• 12 ounces buttermilk, room temperature (or regular milk + 1 Tbsp of white vinegar. 1 1/2 cups)
• 3 large eggs (room temperature)
• 1 Tablespoon Super Red Food Coloring
• 6 ounces pasteurized egg whites
• 24 ounces sifted powdered sugar
• 2 teaspoons vanilla extract
• 1/2 teaspoon salt
• 24 ounces unsalted butter (room temperature)
• 1/8 teaspoon yellow food coloring
• 1 teaspoon electric pink food coloring
• 2 Tablespoons super red food coloring