Red Velvet Shortbread Cookies Recipe | Say Mmm

Ingredients

• 1 1/4 cups all-purpose flour
• 1/3 cup sugar
• 2 tablespoons unsweetened cocoa powder
• 1/4 teaspoon salt
• 1/2 cup butter, cut up
• 1 tablespoon red food coloring
• 3 ounces white chocolate (with cocoa butter), coarsely chopped
• 1 1/2 teaspoons shortening
• Finely chopped pistachios or rainbow nonpareils (optional)