Time’s the most important ingredient as teams race against the clock — and each other — to bake up the best-tasting sweets. The teams work to wow the judges with confections that bring the element of surprise. Guest judge: chef and baker Nancy Silverton. The teams wax nostalgic with extra-sweet treats inspired by popular candies. Guest judge: gourmet chocolatier Jonathan Grahm. The bakers rush to make winning desserts inspired by the judges’ favorite holidays. Guest judge: cake designer and pastry chef Thiago Silva.