You're right - very little actual cooking and preparation footage is shown. All we saw was a brief showing of the consomme, the potatoes being coated in the edible clay and the beef fillet being put on a barbecue. You can link to recipes for all of Aiden's dishes here:
They've made it a cooking show without the cooking. It's all faux tension and mean looks to each other.
Now we even have the judges sitting on the desk whilst deliberating.