Step 1

Place the fresh tomatoes, onion, garlic, peppers, cilantro, lime juice, 2 teaspoons cumin, 2 teaspoons sugar (if using), and salt in a food processor. Pulse until the contents are fine and well blended.

Step 2

Pour in the crushed tomatoes and green chiles. Puree until mostly smooth. Taste, then add more cumin and sugar if desired. Refrigerate until ready to serve.