I really like the following site for estimating how long food should last: stilltasty.com
They have an article on the site about 9 longest-lasting foods: Sturdy Staples: 9 Foods That Can Outlast You
- Honey
- Rice
- Sugar
- Hard Liquor
- Maple Syrup
- Vanilla Extract
- Distilled White Vinegar
- Cornstarch
- Salt