Preheat your oven to 375 F.
In a saucepan placed over medium heat, stir together the tomato sauce, water, chili powder, cumin, garlic powder, and onion powder, and season with salt and pepper to taste.
8 oz. tomato sauce, ¼ cup. chili powder, ¼ tsp. ground cumin, ¼ tsp. garlic powder, ¼ tsp. onion powder, Sea salt and freshly ground black pepper, 1 cup water
Cook, occasionally stirring, for approximately 10 minutes.
Combine the chicken, bell pepper, red onion, and half of the green onions in a baking dish.
4 cups pre-cooked chicken, 2 bell peppers, 1 red onion, 6 green onions
Pour the enchilada sauce on top and mix everything together.
Bake in the preheated oven for 20 minutes.
Remove the baking dish from the oven, and sprinkle the mixed greens, tomato, avocado, and remaining green onions on top of the chicken mixture.
1 avocado, 1 tomato, 4 cups mixed greens
Serve with salsa.