Cut up one head of lettuce. Cut up 5 to 6 slices bacon into small pieces. Fry brown. Put bacon chips on lettuce. Pour off some of the bacon grease if desired. To bacon grease, add 1/4 cup vinegar, 1/2 cup sugar and 1/4 cup water. Bring to boil. Boil to thick and pour over lettuce. Salt and pepper.