Tomatillo-Horseradish Sauce

• MAKE-AHEAD
• VEGETARIAN

Ingredients

1. 6 tomatillos, husked and washed
2. 1/2 large red onion, coarsely chopped
3. 2 garlic cloves, chopped
4. 1 jalapeño, chopped
5. 1 tablespoon canola oil
6. Salt and freshly ground pepper
7. 1 1/2 tablespoons rice vinegar
8. 2 tablespoons prepared horseradish, drained
9. 2 tablespoons chopped cilantro

1. Preheat the oven to 350°. Place the tomatillos, onion, garlic and jalapeño in a small roasting pan. Toss with the oil and season with salt and pepper. Cook until the tomatillos are soft, 20 to 25 minutes. Transfer to a food processor and puree until smooth. Add the vinegar, horseradish and cilantro and pulse just to combine. Season with salt and pepper. Scrape the sauce into a bowl, cover and refrigerate for at least 1 hour before serving.