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Vegetable cooking spray
1 small navel orange, zested and juiced
1 small lemon, zested and juiced
1 clove garlic, finely chopped
2 teaspoons Dijon mustard
2 tablespoons chopped fresh tarragon leaves
1 teaspoon salt
1/2 cup extra-virgin olive oil, eyeball it
2 large hearts romaine lettuce
3 scallions, chopped
Whisk citrus with garlic, mustard, tarragon and salt. Stream in oil to combine.
Spray romaine hearts with cooking spray and place on grill 2 minutes, charring the outside leaves. Remove and cut each heart in half lengthwise, using tongs to help hold on to the charred lettuce. Cut away core at stem. Cut each half heart in half again lengthwise. Place 2 quarters of charred romaine on each dinner plate. Drizzle with dressing, working back and fourth, strapping the lettuce with dressing. Set salmon on top of the salad. Garnish with chopped scallions and serve.