Blanch the artichoke quarters by boiling them in salted water for 5-8 minutes, then drain. Heat olive oil in a deep frying pan, add the lardons and cook over low heat, stirring until the fat runs, 6-7 minutes. Add the onions and cook over low heat until very soft and starting to brown, 8-12 minutes. Stir in the garlic and stock, wine, salt and pepper, and add the articho