Wash the chicken and vegetables.
Cut clean zucchini into circles.
Chop the garlic. It is convenient to use a garlic press. Cut the Brussels sprouts into two parts.
In a grill pan, fry the zucchini and garlic in butter until they acquire an appetizing crust.
Place the frying pan on the fire. Add the Brussels sprouts and fry a little.
Place chicken fillet in the pan. Add salt and pepper. Cook until golden brown.
Place vegetables in the center of the plate. Carefully place the chicken fillet on them. Complete the flavor with cherry tomatoes and chopped onions.