Preheat large ceramic non-stick deep skillet on high heat and swirl oil to coat.
Add onion and bell pepper. Stir fry for 3 minutes, stirring often.
Add ground sausage, chicken or turkey and cook until lightly browned.
Add in sweet potatoes, salt, red pepper flakes, black pepper, and Italian seasoning. Stir, cover, reduce heat to low. Cook for 12-15 minutes, stirring a few times. Potatoes should be cooked but firm.
Add spinach and gently combine.
Make 4 wells in the hash and crack an egg into each. Cover and cook for 5 minutes. Check a few times for desired doneness of the eggs.