15 Fresh tomatillos, unpeeled 1 Yellow onion, cut in half 3 Garlic cloves, unpeeled 2 Whole Jalepenos 1 Cup cilantro Salt to taste * Put tomatillos, onion, garlic, and jalepenos in a cast iron pan. Roast until partially blackened and tomatillos get soft. About 10 minutes. * Take off heat and let cool. Peel everything and put in a blender. Blend until smooth, then add cilantro. Salt to taste. This is great with black beans!! It lasts for a couple of weeks in the fridge, so you can enjoy it over and over.