Healthy Fish Taco

I love, love, love fish tacos.   I have another recipe for them on my blog, but they deep-fried.   This one really doesn't taste anything like the other one, but they are still very good.   This recipe is also easier to make and quicker.

HEALTHY FISH TACOS:
(makes 8 tacos)

Ingredients:
*1/2 cup greek plain yogurt
*juice squeezed from a 1/2 of lime
*1/4 jalapeño pepper, minced, seeds removed
*1/4 teaspoon cayenne pepper
*1/4 teaspoon cumin
*1/4 teaspoon dried oregano
*1 pound white fish (I use cod or tilapia) rinsed, and patted dry
*1 teaspoon olive oil
*1 onion, chopped
*4 garlic cloves, minced
*1/2 jalapeño pepper, chopped small, seeds removed
*1 tomato, diced
*1 tablespoon dried cilantro
*juice squeezed from 1/2 lime
*1/2 teaspoon salt
*1/4 teaspoon black pepper
*8 low-carb whole-wheat tortillas
*1 avocado, sliced (optional)

Directions:
~In a small bowl, mix yogurt, 1/2 lime juice, 1/4 jalapeño pepper, cayenne pepper, cumin & dried oregano.
~Cover, and refrigerate for at least 2 hours.
~In a large skillet, sauté onions until translucent.
~Add garlic, mix and cook for about 30 seconds.
~Add fish, and cook until the fish starts to flake.
~Add 1/2 jalapeño pepper, tomato, dried cilantro & 1/2 lime juice.
~Sauté for 5 minutes, over medium-heat.
~Break up fish with a wooden spoon, as it's cooking.
~Mix salt & pepper in mixture.
~Heat tortillas.
~Put 1/4 cup of fish mixture onto each tortilla.
~Drizzle a little bit of the white sauce on each taco.
~Top with an avocado slice.

Variation:
~Add lettuce & cheese to the top of the fish taco if desired.