Wilted Lettuce Salad
["5 bacon slices", "1 large head leaf or Boston lettuce", "1 medium onion, thinly sliced", "1/4 tsp. salt", "1/4 c. vinegar", "1 1/2 tsp. sugar", "1/2 tsp. dry mustard", "dash of pepper"]
["About 30 minutes before serving:", "In large skillet over medium heat, fry bacon slices until crisp.", "Drain on paper towels. Discard all but 1/4 cup bacon drippings from skillet."]
["bacon", "head leaf", "onion", "salt", "vinegar", "sugar", "dry mustard", "pepper"]