Blackberry Vinaigrette on Bleu Cheese Walnut Salad

by Katie of:
(Makes approximately 4 cups)
INGREDIENTS (for dressing):
3 T. blackberry jam
1/3 c. red wine vinegar
2 t. dried rosemary (or 1 T. fresh)
1 T. Dijon mustard
1/3 c. honey
1/4 t. salt
pinch of pepper
1/2 c. olive oil
Optional: 2 T. sour cream or yogurt
2 c. Spring mix salad
2 oz. Stilton bleu cheese, crumbled
1 T. chopped red onion
1/3 c. halved walnuts
For Salad dressing- Whisk first 7 ingredients together.  Keep whisking briskly while drizzling in olive oil.  Add in sour cream or yogurt (if using) and herbs and whisk again.
For Salad - add spring mix to large bowl or plate.  Crumble bleu cheese over top.  Sprinkle walnuts and onion evenly over all.  Add dressing in quantity desired.