1. Squeeze the lemon. Peel and squeeze the garlic. In a shallow dish, mix the mustard with the lemon juice, garlic, olive oil, cider vinegar, and a few drops of Tabasco. Place the chicken breasts in a shallow dish and pour the marinade over them, cover with plastic wrap, and let marinate in the refrigerator for 15 minutes.
2. Cook the eggs in a pot of boiling water for about 10 minutes. Remove, peel, and let cool. When they are completely cool, cut them into pieces.
3. Cut the chicken into small pieces and sauté in a pan. Let cool. Add salt and pepper.
4. Wash and chop the lettuce. Cut the Roquefort cheese, tomatoes, and avocado into cubes, and chop the red onion.
5. Arrange all the ingredients in bowls.
6. Prepare your dressing: in a container, mix olive oil, vinegar, mustard, salt, and pepper. Pour the dressing over the Cobb salad and enjoy this hearty and healthy recipe!