5 oz A mild serrano sauce. Heat Level: 2/9 Every Underworld Feast product is made from fresh, natural ingredients. No fillers, no preservatives, no shortcuts. Just peppers, produce, and a recipe. Ingredients: Tomatillo, onion, pickle, serrano pepper, avocado oil, cilantro, garlic, himalayan salt, corn starch. Underworld Feast is a Mexican-American gourmet salsa and hot sauce brand based in Columbus, Ohio, founded by Lucía Herrera. The brand's lineup is inspired by Dante Alighieri’s The Divine Comedy, featuring nine distinct salsas corresponding to the nine circles of hell and nine different Mexican chili peppers (one specific pepper per salsa).