Cost Rican chilera is a fermented vinegar and vegetable sauce that is a little bit spicy due to the Tabasco flavoring. The chilera is often homemade (although you can find it in grocery stores now).

Emily Leeming, who researchers the gut microbiome, has tricks including using kefir in clever ways to get more fermented foods in her diet.

In this collection, we’ve listed 13 of the best fermented hot sauce recipes that will set your taste buds on fire—in the best ...