Pumpkin Balsamic Salad Dressing

3/4 cup canned unsweetened pumpkin puree
3 Tbsp white balsamic vinegar
1-2 Tbsp maple syrup
1 Tbsp tamari
1 Tbsp shallot, chopped
1 tsp Dijon mustard

Place in blender and puree.  Store in glass jar in refrigerator.  Will keep 7-10 days