More Great Condiments
Light a grill. Rub the chiles and onion with oil and grill until charred, 8 minutes. Peel and seed the chiles and cut into thin strips; chop the onion. Transfer the vegetables to a saucepan. Add the remaining ingredients and bring to a simmer over moderate heat, then serve.
All-Time-Favorite Hamburger
Pimento Cheese-Stuffed Burgers