Preparation Preheat oven to 375°F. Toss first 5 ingredients in 8x8x2-inch glass baking dish. Roast in oven until tomatillos and onion are very soft, about 1 hour. Transfer contents of baking dish to processor and add cilantro. Puree until almost smooth. Transfer salsa to bowl. Chill or serve at room temperature.
Preparation Preheat oven to 375°F. Toss first 5 ingredients in 8x8x2-inch glass baking dish. Roast in oven until tomatillos and onion are very soft, about 1 hour. Transfer contents of baking dish to processor and add cilantro. Puree until almost smooth. Transfer salsa to bowl. Chill or serve at room temperature.