Bakers face off during a fruit tart battle; some find the challenge difficult when pistachios are introduced; host Lorraine Pascale and judges Sunny Anderson and Zac Young see which bakers best combine a variety of mustards with their sweet treats.

The surprise ingredient encourages the bakers to think small; host Lorraine Pascale and judges Damiano Carrara and Damaris Phillips get their vegetable course in Round 2 when zucchini challenges contestants to avoid getting squashed.

Host Lorraine Pascale and judges Robert Irvine and Daphne Oz dangle the $10,000 prize like a carrot on a stick when carrot cake must be freshened up with lime in the first round.

During the whoopie pie battle, potatoes must be mashed into the sandwiched cookie pies; Lorraine Pascale, judges Alex Guarnaschelli, and Sherry Yard determine who's a baker and a faker as onions must be used in baked sweets.

Challengers try not to crumble during the coffee cake battle; in the second round, tomatoes in multiple forms must be featured in the desserts; host Lorraine Pascale and judges Damaris Phillips and Aarti Sequeira determine the winning dish.

The apple pie battle gets tricky when corn must be featured in the American classic; host Lorraine Pascale and judges Alex Guarnaschelli and Daphne Oz belly up to the counter in the second round, when diner drinks must be served in baked goodies.