Свои сухари лучше чужих пирогов

То have something of one's own, be it not the best, is preferable to being obliged to other people for a bet ter thing. See Домашняя копейка лучше заезжего рубля (Д), Домашний теленок лучше заморской коровы (Д)

Var.: Лучше свой кусок чем чужой пирог. Свой хлеб слаще чужого калача. Свой хлеб сытнее

Cf: Better is a slice of bread and garlic eaten at one's own table than a thousand dishes eaten under another's roof (Am.). Dry bread at home is better than roast meat abroad (Am., Br.). I had rather ask of my fire brown bread than borrow of my neighbour white (Br.). A poor thing, but mine (my own) (Br.)