Taco Bell's Big Cheez-It Crunchwrap Supreme and Big Cheez-It Tostada are now available nationwide. Taco BellTaco Bell just released the Big Cheez-It Crunchwrap Supreme and Big Cheez-It Tostada. Both menu items feature a Cheez-It cracker 16 times bigger than the original. I was a huge fan of the Big Cheez-It Crunchwrap Supreme, an exciting mash-up of two delicious items.Its motto hasn't been "Think Outside the Bun" for over a decade, but Taco Bell continues to make waves with its out-of-the-box creations.The chain that's given us everything from nacho fries to grilled cheese dipping tacos is back with a brand-new collaboration — and this time, it involves one of the most famous snacks in America.Taco Bell and Cheez-It have spent years creating the Big Cheez-It Crunchwrap Supreme and the Big Cheez-It Tostada, a wild mash-up we never saw coming.Here's how they tasted.Taco Bell and Cheez-It’s groundbreaking collaboration has been four years in the making.