3 T onion,  finely chopped
5 cloves garlic, minced
1/4 cup olive oil
2 lbs fresh shrimp, peeled and cleaned
1/4 cup  good quality tequila
1/4 cup fresh lime juice
1/8 tsp salt
2 T cilantro, chopped

Cook onion and garlic in olive oil in a large skillet over medium heat about 3 minutes or until tender.  Add shrimp and tequila; bring to a boil.  Boil gently, uncovered, 3-5 minutes or until shrimp turn pink, stirring occasionally.  Transfer shrimp mixture to a bowl.  Add lime juice, salt and cilantro.  Toss to mix.  Cover and refrigerate 2-24 hours, stirring occasionally.  Drain before serving.  Serves 10-12.