If there’s one recipe you 100 percent need to crank out some seriously festive Christmas dessert ideas, it’s the classic, basic sugar cookie. Some of the most intricately ordained, masterpiece cookies (like pink Christmas decorations, jolly reindeer, and llamas) begin with a simple foundation. Let’s start with this recipe we love for a vanilla-bean-speckled version that’s sure to hold its own under all that royal icing.Ingredients1 cup butter (room temperature + cubed)3/4 cup sugar2 teaspoons...