1 lemon; juiced
1 orange; juiced
2 tablespoon white vinegar
2 worchestershire sauce
1/2 cup chili sauce
2 teaspoon sugar
2 teaspoon garlic powder
1 tabasco to taste
2 tablespoon oil

Just marinate chicken in this mixture for 4-24 hours. Grill 20 minutes on each side. Serve with flour tortillas and fresh salsa.