First, heat a large and deep skillet over medium heat. Add a tablespoon of olive oil to the skillet. Then, add diced chicken or turkey to the skillet, along with seasonings such as salt, pepper, and paprika. Allow the chicken to cook for approximately 10 minutes with the lid on, ensuring it becomes tender.
Once the chicken is cooked, add chopped garlic and peppers that have been cut lengthwise to the skillet. Let the peppers soften and become slightly tender, cooking for an additional 5 minutes.
Next, pour tomato sauce into the skillet to create a base for the sauce. Allow the mixture to simmer for about 5 minutes, allowing the sauce to thicken slightly.
Finally, add fresh spinach to the skillet. If you're using frozen spinach, make sure it is properly thawed before adding it to the skillet. Stir the spinach into the sauce and cover the skillet with the lid. Let it cook for approximately 3 minutes, allowing the spinach to wilt and incorporate its earthy essence into the dish.