how long to cook turkey 1.5kg
1.5kg equals 3.3lbs turkey should be cooked for 20 minutes per pound and 20 minutes should be added to the total cooking time.So at least 1hour and 20 minutes should see the turkey cooked! 12 pound turkey crown should cook in the oven for at least 3  hours. The turkey should cook at a temperature of 325 degrees. 1 person found this useful. Edit.