
Ingredients
1 thinly sliced green onion, including the greens
3 Tbsp chopped fresh flat-leaf parsley
2 Tbsp chopped fresh tarragon leaves or 2 teaspoons dried tarragon, crumbled
Zest of one lemon
2 teaspoons lemon juice
1 teaspoon mustard sauce
1/8 teaspoon freshly ground black pepper
1/3 cup mayonnaise
2 6-ounce cans of solid white tuna, wel...