1 tablespoon Dijon mustard
1 tablespoon fresh lemon juice
2 tablespoons rice wine vinegar
1 tablespoon fresh ginger, peeled and chopped
3/4 cup canola oil
Kosher salt
1/8 teaspoon fresh ground black pepper
1/2 head iceberg lettuce, shredded
2 tablespoons chopped fresh parsley leaves
Lemon slices, for garnish