Fry bacon in medium pot, remove from grease and leave 1 1/2 tablespoons bacon drippings in pot. Stir in onion, celery and green pepper, lightly cook until done then stir in the ground beef and cook over medium heat until browned. Slowly stir in the beef bullion and the seasoned salt. Stir in the flour, mixing well. Turn down heat to low and mix in the milk slowly. Mix thoroughly. Stir in the cheese and heat until melted. Serve hot sprinkling some of the crumbled bacon bits in each bowl.