Grilled Shrimp Fajitas

Ingredients for shrimp marinade:
1-1 1/2 lbs large shrimp, peeled (makes 5 tacos....)
1/2 yellow onion (quarter inch slices, then cut in half)
1 clove garlic, grated
1 lime, juiced
1 tsp lime zest
1 cup pineapple juice
1 tbs woostershire sauce
1 tbs chili power
1 tsp sea salt

Other Fajita Ingredients:
Small, taco sized flour tortillas (corn tortillas would work as well)
shredded lettuce
fresh, diced tomatoes


Mix all ingredients in large freezer bag or marinating dish. Include lime rind (just toss it in the bag whole). Refrigerate for 1 hour. Remove shrimp from marinade and grill. Cook remaining marinade and onions in a non stick skillet (discard lime rind). Bring to boil and cook until onions are soft and transparent. Mix with grilled shrimp before serving.


Sauce:
1/3 cup light sour cream
2 tbs lime juice
1 tbs cilantro

OR
Guacamole