The Grande Serrano is a larger version of the traditional Serrano pepper. Created by crossing the Grande Jalapeno and Serrano, the Grande Serrano is a popular pepper for salsa and hot sauce making as it has a slightly higher heat level than the Jalapeno pepper. The flavor of the Grande Serrano pepper is described as slightly sweet and bright with a surprising kick that is not overbearing. Grande Serrano peppers have a medium heat level, averaging about 10,000 to 30,000 Scoville Heat Units.