375°F cooked covered for 60-90 minutes then cook uncovered for the last 30 minutes. The idea behind cooking uncovered in the last part is to dry them out a bit and can be a matter of personal taste how long you let them go for. The final step is applying the sauce, which should be let to cook until nice and thick but not long enough to burn, this is also a matter of taste. Some people prefer this type of ribs without sauce. Try it both ways to find out which way you like it best.