1- In a saucepan with a thick bottom pour the oil and when it is hot add the diced peppers and chopped onion wait 5 minutes before the mushrooms, salt and let them sweat thus 6 minutes covered.
2- Then add the tomato concentrate the diced tomato the garlic, the olives salt again then season with your ras el hanout, let it cook gently thus covered for 20 minutes if you find that it is too thick add a glass of mineral water.
Remove from heat and let it thus covered until cooled (osmosis of flavors) then put in the fridge and if you have a little patience (smiles) wait 2 days before tasting.
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