For 10 servings

• 1 tsp baking soda
• 1 cup buttermilk, at room temperature
• 1 tsp cocoa powder🛒
• 4 cups sifted confectioners' sugar
• 1 lb cream cheese, softened
• 2 large eggs, at room temperature
• 2 cups ½ all-purpose flour
• 2 Tbsps red food coloring (1 oz)
• 1 tsp fine salt
• 1 cup ½ sugar
• 2 sticks unsalted butter (1 cup), softened
• 1 tsp vanilla extract🛒
• 1 cup ½ vegetable oil
• 1 tsp white distilled vinegar