1 pound tomatillos, husked, rinsed and quartered
1 medium Vidalia onion, quartered
1 jalapeno pepper, halved
2 tablespoons extra-virgin olive oil
Kosher salt and freshly ground black pepper
1 small bunch fresh cilantro
Make the sauce: Preheat the oven to 400 degrees F. Toss the tomatillos, onion, jalapeno and olive oil on a baking sheet and season with salt and black pepper. Roast until browned, about 45 minutes. Puree in a blender with the cilantro, thinning with water as needed. Season with salt.