Red Velvet Cake With Cream Cheese Icing

Ingredients

• 2 1/2 cups cake flour
• 1/2 teaspoon salt
• 2 tablespoons cocoa powder
• 1 stick unsalted butter
• 1 1/2 cups sugar
• 2 eggs eggs
• 1 teaspoon vanilla extract
• 1 cup buttermilk
• 2 tablespoons red food coloring
• 1 teaspoon white vinegar
• 1 teaspoon baking soda
• 1 1/2 sticks unsalted butter
• 12 ounces cream cheese
• 2 cups powdered sugar
• 1 to 2 tablespoons heavy cream