Best Ever Red Velvet Cake Recipe with Ermine Frosting

Name: Best Ever Red Velvet Cake Recipe with Ermine Frosting
Prep time: 40 min
Cook time: 30 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 2 ½ cups (12 ½oz/ 355g) all-purpose flour; 1 ½ cups (12oz/340g) granulated sugar; 3 tablespoons unsweetened cocoa powder; 1 teaspoon cinnamon; 1 ½ teaspoons baking soda; 1 teaspoon salt; 2 large eggs; 1 ½ cups (12floz/340ml) vegetable oil; 1 cup (8oz/ 225g) buttermilk; 2-3 tablespoons gel red food coloring; 2 teaspoons vanilla extract; ¾ cup plus 3 tbsp (7 oz/199g) granulated sugar; ⅓ cup (1 ½oz/43g) all purpose flour; ⅙ teaspoon salt; 1 cup (8floz/225ml) whole milk; 1 cup (8oz/225g) butter, (room temperature )