Melt butter in saucepan over medium heat. Add flour and whisk until mixture becomes a dark brown color, 6 to 8 minutes. Add the Worcestershire sauce and whisk for about 1 minute. Add beef stock and salt, and pepper to taste and bring to a boil. Reduce heat and cook until sauce is thickened, about 20 minutes. OR just prepare a packet or two of gravy mix and use that.

While the gravy is thickening, chop the leftover meat you have on hand, beef, pork, chicken, or any combination. Add to a hot skillet and saute to heat the meat through, add the cooked rice and mix in, saute until meat and rice are hot.

Fry the eggs sunny side up in another pan.

To plate, divide the rice and meat mixture between 4 plates, pour on some gravy, place a fried egg on top, serve.