I-bought-too-many-serranos chili paste

Basically just hecka chopped Serrano with garlic and rice vinegar.

Nice flavor!  Mostly I just wanted this on hand when I needed to give something a serious kick.  Nice because it's got such a fresh greenness to it.

https://www.glueandglitter.com/2015/08/24/shredded-serrano-hot-sauce-recipe/