Place a non-stick pan with 1/2 tablespoon of olive oil over medium heat.
Once heated, add the diced onion and minced garlic. Saute until the onion has become translucent.
While you're waiting, combine all ingredients for the taco seasoning: chili powder, ground cumin, garlic powder, paprika, dried oregano, onion powder, salt, pepper and crushed red pepper flakes - all into a small bowl and mix well.
Add the ground chicken breast to the pan of onions and garlic, breaking it into smaller crumbles as it cooks.
Once broken, add the taco seasoning-- sprinkling over the entire pan.
Allow the ground chicken to cook until cooked through.
and refrigerate until needed. Also dice the roma tomatoes and scallion.
Using the romaine lettuce leaves like a boat- add the chicken, chopped tomatoes, 1 tablespoon of cheese, 2 tablespoons of the Avocado Corn Salsa, 1 tablespoons greek yogurt, and a sprinkle of chopped scallions.