1 15 oz can crushed tomatillos
1 4 oz can diced green chilis (or fresh roasted if you can find those)
1 small white onion, finely chopped
4 garlic cloves, minced
2 tsp cumino
1 tsp salt
1/2 cup cilantro leaves, roughly chopped
3 1/2 limes, juiced

Mix all ingredients together (with more lime juice to taste), and serve with chips.