Fish tacos with avocado sauce

see page 73, 2011 Taste of Home Annual Recipes.
1/4 cup lemon juice
1 tbsp olive oil
3 garlic cloves, minced (or pwdr, whatever)
1# halibut or tilapia fillets
SAUCE:
1/2 medium ripe avocados
1/4 plain yogurt
tbsp or two of mayo
garlic
1 tsp dill
1/4 tsp ground cumin
1/4 tsp oregano
1/4 tsp dry parsley
1-2c of salsa of your choice
(cookbook has its own)

In plastic bag, marinate lemon juice, oil, garlic, fish. Seal bag, coat the fish and place fridge for 30min.
Chop the avocado, add sauce ingredients. Mix Mix Mix. Flavor to taste.
Drain fish, discard marinade.
Bake a few minutes, then broil 4-6 inches away for a few more minutes (8-12 total). Fish is done when it's opaque and flakey.
Place fish in a bowl, flake it. Place some in a warmed tortilla, cover in the sauce, and whatever else you want (chopped tomatoes, lettuce, spinach, etc)