You know what would be a pretty unforgettable Mother's Day gift for mom?

One BIG family trip to Italy — which is exactly what these two sibling duos competed for in our 2018 "Mother's Day Cook-Off!"

The kids — Melanie and Emily from Secaucus, New Jersey, and Vanessa and Ryan from Jersey City, New Jersey — whipped up their respective moms' best meals for a chance to win a family trip to Italy.

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And by trip, we mean a 9-day tour of Tuscany, courtesy of Liberty Travel and Collette, complete with airfare, lodging, 10 scrumptious meals and a Tuscan cooking class.

"Now, that's a prize, people!" says Rach.

(We couldn't agree more!)

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While Melanie and Emily made their mom's empanadas with rice and beans, Vanessa and Ryan opted for pesto-crusted salmon with pancetta and Brussels sprouts.

But who, as chosen by our guest judge Mary Giuliani, took home the grand prize?

You'll have to watch the video to find out!

(And NOTE: Make sure to watch to the end, because there's a plot twist!)