However Israeli business publication Globes revealed on Tuesday that Mr Shalev, who is known as "the wonder boy" in Israeli culinary circles, stepped down from the role just before the collaboration was due to get underway.
He said: "We worked for many months to try out the possibility of collaboration.
"In the end, it was decided that we should part [as] friends. I'll continue to fly with the airline, and El Al passengers who want my food can continue to dine at Toto. I thank El Al's management for their confidence."
El Al commented: "The company highly esteems chef Yaron Shalev, who is one of Israel's leading chefs. But the company decided together with Yaron to carry on as it has done in the culinary field."
One Israeli chef commented: "It all starts and finishes with the fact that you have no control over the food preparation and how it reaches the diner. For any chef, that's a difficult formula.
"Add to that the fact that in the end we're talking about a meal that costs NIS 9-10 [approximately £1.90] to produce.
"Even I wouldn't succeed in cracking that one."
