1 - 28-ounce can whole tomatoess, including juice
1 small yellow onion, peeled and roughly chopped
1 or 2 jalapeno peppers, de-stemmed and roughly chopped, remove seeds.
3 cloves garlic, peeled and finely chopped
1 1/2 teaspoons ground cumin, to taste
1 1/2 teaspoons salt, or to taste
1/4 to 1 teaspoon granulated sugar / caster sugar
1 or 2 handfuls cilantro leaves, discard stems
3 tablespoons lime juice
3/4 cup corn, optional
3/4 cup canned black beans, drained and rinsed, optional
corn chips, for serving