With an open garden, open pantry and an open mind, freshness will be front and centre as our Top 5 let their imaginations run wild competing for a spot in the next Immunity Challenge.

We're at the pointy end in cactus country, and the most succulent Mexican dish will earn its maker a stab at Immunity. Needles to say, the winner will be dancing a salsa in this thorny alfresco fiesta.