INGREDIENTS
1/2 cup
Chives or green onions
1/3 cup
Flat-leaf parsley
1 clove
Garlic
3 tbsp
Tarragon
3
lbs Yukon gold potatoes, medium
2 tbsp
Capers
2 tsp
Grained dijon mustard, coarse
1/4 tsp
Black pepper, ground
1/2 cup
Olive oil, extra-virgin
3 tbsp
White wine vinegar
1 tbsp
Caper liquid from the jar