In a steamer, bring a liter of water to boil. Meanwhile, prepare the vegetables.

Spread the sliced tomato on a sheet of aluminum foil, forming a bed.

Spread the minced garlic clove and a pinch of salt on the tomato.

Then put the rest of the small chopped vegetables.

Salt and sprinkle with the oil.

Close the aluminum well, forming a package and place it on the steamer rack, leaving it to cook for about 30 minutes.

It can be served in the same foil.