They can be used in salads, marinades, sauces, and dips. But, like many other low-acid homemade foods, infused oils can pose food safety risks. The primary concern with infused oils is the extremely dangerous and sometimes deadly microorganism, Clostridium botulinum (C. bot), which can cause botulism.

How long do infused oils last?

Once the oil is infused, keep it in the refrigerator. It may get cloudy from the cold, but should clear up when it reaches room temperature. The oil should last, refrigerated, for up to 2 months.

Is garlic infused oil safe?

Oils that are flavored with fresh herbs or garlic can be a source of food-borne illness—specifically botulism. Because of this, this method of preservation has not been recommended for the home food preserver.