2/3 c. mayonnaise
2 tbsp. lemon juice
1 tsp. dry mustard
1/3 c. chili sauce or catsup
1/4 c. pimiento-stuffed olives
1 tbsp. instant minced onion
1 tbsp. capers (optional)
1 head lettuce
2 (7 oz.) cans tuna, chilled

Combine first 7 ingredients for dressing, chill. To serve, shred lettuce and pile into salad bowl; add tuna. Spoon dressing over salad and toss well before serving. 4 servings.