Found following Turkish translation(s) for the English word/phrase "cook out".
1 (v) English: barbeque, barbecue, cook out: cook outdoors on a barbecue grill. 'lets barbecue that meat'. 'We cooked out in the forest'
Turkish: mangalda pişirmek, mangal yapmak, barbekü yapmak: Açık havada, ızgara, mangal vb. üzerinde pişirmek. "Ormanda mangal yaptık."