Clean the squid thoroughly and cut it into bite-sized pieces.
Mince the garlic and onion.
Heat olive oil in a pan and sauté the garlic and onion.
Add the squid and stir-fry quickly over high heat.
Season with salt and pepper.
Add the squid ink sauce and stir-fry evenly until everything is well mixed.
Plate the dish and garnish with parsley.