Heat a large cast-iron skillet over high heat. Add jalapeños, garlic, onion, and lime; cook, turning occasionally, until charred on all sides, about 5 minutes. Let cool for 1 minute. Seed and mince jalapeños; peel and mince garlic; mince onion.
Squeeze lime juice into a medium bowl. Add avocado, cilantro, salt, jalapeño, garlic, and onion, stirring until desired consistency is reached. Cover and refrigerate until ready to serve. Serve with tortilla chips.
Recipe by Taste of the South at https://tasteofthesouthmagazine.com/roasted-chile-guacamole/