Prepare Onion and Garlic: Sauté the onion and garlic in olive oil until caramelized.
Mix Ingredients: In a food processor, blend bread soaked in water, caramelized onions, garlic, herbs, chicken cube, and olive oil. Combine this mixture with the minced meats, cheese, egg, salt, and pepper.
Form Burgers: Form the mixture into burger patties and refrigerate for at least an hour.
Cook Burgers: Cook the burgers in a pan with a little olive oil, about 3 minutes per side.
Serve: Serve the burgers with french fries, pitas, tzatziki, and parsley.