cross-posted from: https://slrpnk.net/post/6224624

If you incorporate these ingredients in your cooking, your left-overs will last longer:

• honey
• salt
• garlic
• sugar (only in high amounts according to feedback; small amounts shortens the life)
• ginger
• sage
• rosemary
• mustard
• cumin

From other articles:

• black pepper
• mustard seed
• turmeric
• cinnamon
• cardamom
• cloves

Acids mentioned by others:

• vinegar
• citric acid
• lemon/lime juice