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Creamy lobster thermidor topped with fresh herbs served on a white plate

Creamy Lobster Thermidor

Harrison chef
A rich and elegant Creamy Lobster Thermidor made with tender lobster meat in a velvety cream sauce, finished with Parmesan and fresh herbs.
Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Course Dinner / Main Course
Cuisine French
Servings 2
Calories 620 kcal

Ingredients
  

  • 2 lobster tails cooked, meat removed and chopped
  • 2 tbsp butter
  • 1 small shallot finely chopped
  • 1 cup mushrooms finely chopped
  • 1 tbsp flour
  • ½ cup heavy cream
  • ½ cup milk
  • 1 tsp Dijon mustard
  • ¼ cup grated Parmesan
  • Salt and pepper to taste
  • Fresh parsley for garnish
  • Paprika optional

Instructions
 

Prepare the Lobster:

  • Remove the lobster meat from the shells and chop into bite-sized pieces. Set aside.

Sauté the Aromatics:

  • Melt butter in a skillet over medium heat. Add shallots and mushrooms. Cook 3–4 minutes until soft.

Create the Roux:

  • Add the flour and mix well until it forms a paste.

Season the Sauce:

  • Add Dijon mustard, Parmesan, salt, and pepper. Mix well.

Add Lobster:

  • Fold in the chopped lobster meat and cook for 2–3 minutes until heated.

Bake (Optional for classic style):

  • Spoon the mixture into lobster shells or a small baking dish.
  • Sprinkle more Parmesan and broil for 2–3 minutes until lightly golden.

Serve:

  • Garnish with parsley and a pinch of paprika.

Notes

 
  • Mushrooms add earthiness but can be omitted.
  • For extra richness: Add a small splash of brandy or cognac.
  • Make it lighter: Use half-and-half instead of heavy cream.
  • Serve with: rice, mashed potatoes, or toasted baguette.
Keyword creamy lobster thermidor, lobster recipe, French seafood dish