Remove papery husks from tomatillos and rinse well.
Cut tomatillos in half and place cut side down on a foil-lined baking sheet. Place under a broiler for about 5-7 minutes to lightly blacken the skin.
Dice/Chop all ingredients accordingly.
Place tomatillos, lime juice, onions, cilantro, chili peppers, sugar in a food processor (or blender) and pulse until all ingredients are finely chopped and mixed.
Season to taste with salt.
Cool in refrigerator and mix when ready to serve.
Notes
Serve with chips or as a salsa accompaniment to Mexican dishes.