Marinate the swordfish slices with oil, a teaspoon of lemon juice, salt, pepper, thyme, garlic powder, teaspoon of butter,and keep it cool for 1 hour.
Prepare the sauce: put a tablespoon of olive oil in a pan and add chopped shallot and cook for 1 minute then add the cherry tomatoes and spices and cook for another 2 minutes then add the diced swordfish and cook for 2 minutes and remove from heat and sprinkle with chopped parsley and set aside.
Heat the grill for 1 minute and put the slice of marinated swordfish and cook for 2 minutes and turn over to cook on the other side for 2 minutes no more and remove from heat.
Serve the swordfish slice with the cherry tomato sauce and lemon slices.
