how long is peanut oil good for after it's opened?
Peanut Flour, unopened 1 year. Peanut Flour, opened 2-3 months Lasts up to 9 months in refrigerator. Peanut Oil, roasted, aromatic, unopened 9 months. Peanut Oil, roasted, aromatic, opened 2 months Lasts 4-6 months in refrigerator.