contents 400g tomatillos 20g coriander 1-2 chillies 1 red onion 1 lime garlic A recipe card cooking Tomatillos should be eaten when theyre firm & green, so dont wait for them to look like tomatoes. Boil for 5 mins if you want to cook & use them in salsa or a soup, or theyre great roasted like tomatoes, but for a few minutes less (10-15 mins). storage Store in the salad compartment of your fridge & use within a week. did you know? The Aztecs grew tomatillos as far back as 800BC & they have been popular in Mexico & other Latin American countries for many years.