Gluten-Free Red Velvet Cake - The Local Palate

Ingredients

• 5 cups sugar
• 5½ cups gluten-free all-purpose flour
• ½ teaspoon baking soda
• 2½ teaspoons baking powder
• 2½ teaspoons salt
• ⅔ cup cocoa powder
• 7 eggs
• 2½ cups vegetable oil
• 1 tablespoon vanilla extract
• 2 tablespoons red food coloring
• 2½ cups buttermilk
• 1 pound butter, at room temperature
• 1 pound cream cheese, at room temperature
• 2 pounds powdered sugar