I just tried this recipe from Clean Eating magazine. It's really good. I had it with leaf lettuce, mandarin oranges and sliced almonds but I think it would be good with almost any fruit and nut combo.
Orange Herb Dressing
2 tbsp fresh orange juice
2 tbsp white balsamic vinegar or apple cider vinegar
2 tbsp extra-virgin olive oil
1 tbsp fresh tarragon, minced, or 1/2 tsp dried tarragon
1/2 tbsp fresh oregano, minced, or 1/4 tsp dried oregano
1/2 tsp orange zest
Sea salt and fresh ground black pepper, to taste
Wisk ingredients together. Serve immediately or refrigerate until serving. Store in a sealed container and refrigerate for up to 2 weeks.