Ingredients

1 1/2 pounds plum tomatoes, halved lengthwise 

1 medium white onion, cut into 8 wedges 

3 jalapeno chiles, stems removed and halved, divided 

4 garlic cloves, peeled 

2 tablespoons extra-virgin olive oil 

1/4 cup coarsely chopped fresh cilantro 

1 1/2 teaspoons coarse salt 

Juice of 1 lime 

1/3 cup homemade or store-bought chicken broth 

Preparation

Preheat oven to 450 degrees with rack in upper third. Put tomatoes, cut side up, on a rimmed baking sheet, along with onion, 2 jalapenos, and garlic. Drizzle with oil and roast until vegetables are blistered in places and wilting, 22 to 25 minutes. Remove from oven.

Pulse remaining jalapeno in a food processor until finely chopped. Add roasted vegetables and any accumulated juices, along with cilantro, salt, lime juice, and broth. Pulse until smooth.