Ingredients : 3 pounds tomatillos, husks and stems removed 1 onion, chopped (I used a Vidalia but any white or yellow onion will do) 2 jalapeno peppers, seeds removed 2 serrano chiles, seeds removed 4 garlic cloves, peeled 1 cup packed chopped cilantro 2/3 cup fresh lime juice 2 1/2 tsp kosher salt