In a medium bowl, combine the mustard dill sauce ingredients and whisk together well. Season with salt and pepper; refrigerate until ready to use.
Rinse and dry the salmon fillets. Place the fillets in a pan sprayed with nonstick spray, or in a foil-made pan. Drizzle the salmon with 4 tablespoons of the mustard sauce. Bake 10 to 12 minutes, or until cooked through.
MAKE THE VINAIGRETTE and ASSEMBLE THE SALAD:
In a separate bowl, combine the vinegar, Dijon, sugar, shallot and garlic; mix well. While mixing, slowly add the olive oil. Season with salt and pepper, and mix in the fresh herbs. Cover and set aside until ready to use.
In a large bowl, toss the lettuce with the vinaigrette. Use just enough vinaigrette to coat the lettuce with the dressing.
Assemble the salads by placing some of the greens in each of 4 bowls. Place the salmon on top of the lettuce. Drizzle mustard sauce onto each fillet. Sprinkle capers, onion and tomato over the salad, and serve.
Notes
If you are preparing this recipe as Gluten-free, just be sure to use a brand of Dijon that is known to be GF.
WW Points were calculated using about half of the vinaigrette on the salads.