Red Velvet Waffles

Name: Red Velvet Waffles
Ingredients: 6 ounces cream cheese, at room temperature; 6 tablespoons unsalted butter, softened; 2 cups confectioners' sugar; 1 teaspoon vanilla extract; 1/2 cup whole milk; 1/4 cup pecan pieces, optional; 2 cups all-purpose flour; 1/4 cup sugar; 1 tablespoon plus 1 teaspoon baking powder; 1 tablespoon natural cocoa powder (preferably Hershey's); 3/4 teaspoon table salt; 1 3/4 cups buttermilk; 1/3 cup (5 1/2 tablespoons) unsalted butter, melted and cooled; 2 large eggs; 2 teaspoons vanilla extract; 1/2 teaspoon distilled white vinegar; 2 tablespoons red food coloring; Nonstick cooking spray