Red Velvet Poke Cake

INGREDIENTS

• :
• 8 tablespoons unsalted butter, at room temperature
• 1½ cups granulated sugar
• 2 eggs
• 5 tablespoons unsweetened cocoa powder
• 6 tablespoons red food coloring
• 1 teaspoon vanilla extract
• 1 cup buttermilk
• 2¼ cups all-purpose flour
• 1 teaspoon salt
• 1 teaspoon baking soda
• 1 tablespoon distilled white vinegar
• 1 (12-ounce) can sweetened condensed milk
• 8 ounces butter, at room temperature
• 8 ounces cream cheese, at room temperature
• 4¼ cups powdered sugar
• 2 tablespoons vanilla extract