See the original post here for more tips and info on the health benefits of olive oil mayonnaise


Nicoise Salads on Portabello Caps

Yields 4

Paleo - Gluten Free - Grain Free - Low Carb - Soy Free - Dairy Free


  1. 4 Large Portobello Caps
  2. 1 Tbl Olive Oil/Ghee
  3. 4 Sprigs Thyme (optional)

Tapenade Spread

  • 1 Cup Pitted Kalamata Olives
  • 1 Tbl Drained Capers
  • 1 tsp Anchovy Paste or 2 Anchovy Fillets
  • Zest of 1 lemon
  • 2 Tbl Lemon Juice
  • 2 Tbl Chopped Parsley
  • 2 Tbl Extra Virgin Olive Oil
  • 1 Garlic Clove Finely Minced


  • 2 Cans High Quality Tuna Drained (Recommended Brand: Wild Planet Line Caught Albacore)
  • 1/4 Cup Olive Oil Mayonaise (homemade is preferred see recipe here)
  • 1 Tbl Dijon or Grain Mustard (no sugar added) 
  • 1 Tbl Lemon Juice


  • 6 String Beans, Steamed and Each Cut into Four 1-inch Pieces
  • 1 Large Tomato Cut into 4 1/2'' slices
  • Chopped Parsley


  1. Preheat the oven to 400F
  2. Wipe the mushrooms with a paper towel or kitchen towel to remove any dirt. Gently scrape out the scales inside of the cap using a spoon.
  3. Lay the caps on a sheet pan and drizzle with olive oil and thyme leaves.
  4. Bake for 15-20 minutes or until browned and softened.


  1. In the bowl of a food processor blend the olives, capers, anchovies, lemon juice, lemon zest, olive oil, parsley, and garlic until it is a somewhat smooth spread. I leave mine with a little texture.
  2. Set aside.


  1. Drain the tuna and place in a large mixing bowl.
  2. In a small bowl whisk together the tuna, mustards, and lemon juice.
  3. Pour the mayo/mustard mixture over the tuna and mix well.


  1. Place the cooled portabello caps onto a serving plate and spread 1 heaping tablespoon of the tapenade onto the mushroom cap.
  2. Place one slice of the tomato on top of the tapenade.
  3. Divide the tuna into four portions and mound the tuna on top of the tomato pressing it into the tomato so it doesn't fall over.
  4. Spoon a little more tapenade on top of the tune and place 4 pieces of the steamed string beans on top.
  5. Garnish with chopped parsley.


  1. The tuna, string beans, and tapenade can all be made ahead of time and can be assembled right before serving.