Heat a large skillet over medium heat. Add oil and meat to the pan. Spread the meat around the pan and begin to break it up. Combine brown sugar and steak seasoning. Add sugar and spice mixture to the skillet combine. When the meat has browned, add onion & red peppers to the skillet. Reduce heat to medium & cook onions, peppers, red wine vinegar & Worcester sauce with meat for 5 mins. Add tomato sauc, paste to pan. Stir to combine. Reduce heat to simmer and cook sloppy joe mixture 5 mins longer.