Buy It: Williams Sonoma Cleartouch Nonstick Square Cake Pan ($20, Williams Sonoma) Test Kitchen Tip: Glaze these desserts using a wire cooling rack set over wax paper. The petit fours are can be completely coated without the chocolate pooling, and the wax paper allows for easy cleanup. Buy It: Lily’s Milk Style Chocolate Chips ($7, Target) Buy It: Natural Cocoa Powder ($7, The Spice House) Buy It: Cuisinart Elemental Collection 8-Cup Food Processor ($130, Kohl’s)