Chop onions into small pieces. Spray a pan with EVOO and cook for 3 minutes on medium/high.
Add your ground meat to the onions. Then top with Mexican spices and add EVOO.
Mix with a spatula in the pan and cover for 2 minutes. Then add butter.
Cover and cook on low for 6 minutes.
Chop baby spinach into thin strips and then add into the pan.
Cover again and cook on low for three to four minutes. Make sure you continue to stir your meat so it gets evenly cooked. Then heat your tortillas for 30 seconds in the microwave. Plating: add spring mix salad to the tortillas, then fill with meat and top with cheese! TADA! Your cena (dinner en Espanol) is served!