1 c. leaf lettuce, washed, drained & torn into bite-size pieces
1 c. bibb lettuce, washed, drained & torn into bite-size pieces
1 c. Boston lettuce, washed, drained & torn into bite-size pieces
1 c. Romaine lettuce, washed, drained & torn into bite-size pieces
1/2 c. whole raspberries
1/2 c. walnut pieces

1/3 c. oil
3 tbsp. sugar
2 tbsp. raspberry wine vinegar (or red wine vinegar)
1 tbsp. sour cream
1 1/2 tsp. Dijon mustard
1/2 c. mashed raspberries

Mix together and let stand 1 hour. Mix with lettuces, raspberries and walnuts. Serve immediately.