Add oil to large skillet or pot and sear on both sides until golden brown and cooked through. Transfer chicken to plate and tent with foil to keep warm.

To same pan add butter and fry the onion and garlic until transparent.

Stir in the flour and cook for 1 minute.

Add the dry macaroni, reduce heat to med-low, and stir occasionally as it simmers. (9-10 minutes)

Add the spinach and stir through until wilted

Either slice the chicken into strips and mix into the pasta, or simply lay the cooked tenderloin on top of the pasta. Serve and enjoy!