Roast the chile in a dry skillet or comal.
Clean the chiles.
Blend the chiles with the lime juice and add salt to taste.
*Variation: Reduce the lime by half and add ¼ cup roasted onion or garlic. Blend.
*Ideal proportion is 3 chile to 2 limes. An easy salsa that will contribute with flavor and acidity to brighten any taco.