My Grandmother's Easy Bake Red Velvet Cake Refills

Ingredients

• 1 ½ cups (190g) all-purpose flour
• 1 cup (200g) granulated sugar
• 1 teaspoon (6g) baking powder
• ½ teaspoon (3g) baking soda
• ¼ teaspoon (1g) salt
• ½ cup (120ml) vegetable oil
• 1 large egg, whisked
• 1 teaspoon (5ml) vanilla extract
• 1 tablespoon (15g) unsweetened cocoa powder
• 1 cup (240ml) buttermilk
• 1 tablespoon (15ml) red food coloring (gel or liquid)
• 8 oz (226g) cream cheese, softened
• ½ cup (115g) unsalted butter, softened
• 4 cups (480g) powdered sugar
• 1-2 tablespoons (15-30ml) milk for desired consistency