Go Back
+ servings
Open Face Salmon Sandwich with Sweet Mustard Sauce Recipe

Open Face Salmon Sandwich with Sweet Mustard Sauce Recipe

What could make salmon even more perfect than a 15-second Dijon mustard sauce, accompanied with egg, avocado, tomato, and greens over seedy bread (or grainy grains!)? Read ahead for all the steps.
Prep Time 10 mins
Cook Time 10 mins
Course Main Course
Cuisine American
Servings 4
Calories 448 kcal


For the Sweet Mustard Sauce

  • 2 tablespoons Dijon mustard
  • 1 tablespoon honey
  • 2 tablespoons olive oil
  • 1/2 teaspoon lemon juice
  • 1/4 teaspoon salt
  • Freshly ground black pepper

For the Sandwich

  • 1 egg
  • 4 4-ounce salmon fillets about 1 inch-thick, skin removed if desired
  • 3 tablespoons olive oil divided
  • 2 tablespoons Sweet Mustard Sauce (see above)
  • Salt and freshly ground black pepper
  • 1 tomato, cut into four 1/2 -inch slices
  • 1/4 red onion sliced thinly
  • 8 slices dark rye bread or multi-grain bread
  • Mixed leafy greens
  • 1 avocado halved, pitted, and cut into 1/2 inch slices
  • 2 teaspoons capers drained


  • To make the Sweet Mustard sauce, whisk together the mustard and honey in a small bowl. Slowly drizzle in the olive oil, whisking continuously. Stir in the lemon juice and season with salt and pepper.
  • To hard boil the egg, put the egg in a small pot and fill with water to cover the egg by 1-inch. Bring the water to boil and immediately turn the heat off. Let the eggs sit in the hot water for exactly 7 minutes. Drain, rinse under cool water and peel when cool enough to handle. Cut the egg into quarters, lengthwise.
  • Heat a grill pan over high heat. Brush salmon fillets with 2 tablespoons of the olive oil and grill for 2 minutes on each side.
  • Wipe the grill pan clean, brush the remaining 1 tablespoon olive oil on the bread and grill the bread for 30 seconds each side, until nicely toasted (or use a toaster)
  • To assemble sandwiches, first cut each piece of salmon into 2 pieces. Layering leafy greens, tomato, avocado, egg, red onion, grilled salmon and capers on each bread slice. Spoon the sweet mustard sauce on top and serve, opened faced.


Nutrition information includes full values for Sweet Mustard Sauce. Actual amount consumed may vary.


Calories: 448kcalCarbohydrates: 42gProtein: 9gFat: 28gSaturated Fat: 4gCholesterol: 41mgSodium: 666mgPotassium: 458mgFiber: 8gSugar: 8gVitamin A: 389IUVitamin C: 10mgCalcium: 66mgIron: 3mg
Keyword salmon recipe, sandwich recipe
Tried this recipe?Let us know how it was!