I tried a simplified variation on Alton's Fish Taco recipe: http://www.foodnetwork.com/recipes/alton-brown/fish-taco-recipe/index.html
I also only made it for two, although we could've eaten more!
The marinade consists of about a tablespoon of dried cilantro, a little chicken stock, a couple tablespoons of tequila, zest from one lime, and salt and pepper. Combine them and put them on two tilapia filets for about 20 mins.
I heated up six corn tortillas and kept warm.
I diced one jalapeno and thinly sliced about 2-3 romaine leaves.
I made a "mock" crema by combining about 1/3 cup yogurt with hot sauce and salt.
Lastly I made an avocado "salsa" consisting of one ripe avocado diced large. Half a small onion diced simarly, and one roma tomato also diced the same size. A little salt and dried cilantro along with juice from half of a lime. Mixed well but not mashing the avocado (I wasn't looking for guacamole!).
Cooked the fish about 3 mins per side on a griddle lightly brushed with olive oil.
Break the fish up and serve with the other fixins.