Laura the Gastronaut > Julia Child > Fish > Fish Filets with Mussels and Shrimp

Sole à la Dieppoise

February 1, 2021 | Updated August 25, 2023 | Laura

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Julia Child's Fish Filets with Mussels and Shrimp

✽ Recipe from Mastering the Art of French Cooking, Vol. I | Julia Child ✽

Julia Child Recipe 164 | 364 recipes to go!

✽ Sole à la Dieppoise [Fish Filets with Mussels and Shrimp], p. 214

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✽ Mastering the Art of French Cooking, Vol. I was written by Julia Child who co-authored with Simone Beck & Louisette Bertholle and was published by Alfred A. Knopf in 1961.

✽ You can buy Julia Child's Mastering the Art of French Cooking, Volume I which contains these recipes here. (affiliate link)

The purpose of this Julia Child section of my blog is to document my journey of learning how to cook. To show my successes, my failures, and what I learned along the way.

Since I didn't create these recipes (if only!), I do not post exact amounts of ingredients or word-for-word instructions. If any of these recipes spark your interest, I highly recommend you buy Julia Child's Mastering the Art of French Cooking (affiliate link). It's a great investment and learning tool and contains hundreds of classic recipes.

I hope that you enjoy reading my thoughts, learn something new, and leave inspired to try a new recipe. Bon appétit!

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Butter Count & Cost: Fish Filets with Mussels and Shrimp

✽ Butter Count: +14.5 TB

✽ Cost: $51.69 [~$8.62 per serving]

Check out the total Julia Child butter count & cost here!

→ Looking for a different Julia Child recipe? Here's a list of all of the completed and pending Mastering the Art of French Cooking recipes!

I love seafood.

So much, in fact, that my number one dish from the first quarter of recipes from Mastering the Art of French Cooking was Fish Filets Poached in White Wine; Cream and Egg Yolk Sauce. So, I was really excited for this recipe. That cream and egg yolk sauce covering poached fish, shrimp, AND mussels?! Count me in! This was my first time cooking with fresh mussels. Exciting day, indeed.

Sole a la Dieppoise Rating

✽ Laura's Rating: 4

✽ Brian's Rating: 6

As you can see by my rating, this was a huge let-down for me. I was completely prepared to put this one on my top ten list but no such luck.

The whole process was draining for me. Between making four different recipes, taking pictures, and videoing everything, I was TIRED. The most difficult part of this recipe is just getting everything done at the same time so it is all still fresh when you go to plate and pour the sauce over it.

My fish filets were a tad overcooked. The sauce was cold by the time we ate. And I think I realized that I'm not a huge mussel fan. I've had them at restaurants before, and I liked them quite a bit. Maybe this recipe was just a tad bit too bland for me. I found myself wanting more flavor.

The sauce wasn't the same for me this time around. I think that happened for two reasons. First, the sauce wasn't just made with the fish poaching liquid but also the mussel liquid which was really fishy. Second, last time we covered the sauce with Swiss cheese and popped it under the broiler. If you've read previous blogs, you know that cheese is my favorite food. That probably helped with how much I liked the last fish recipe.

THE SHRIMP THOUGH. Oh my goodness, the shrimp. I could eat those shrimp every single day, and I would be a happy camper. I fully plan on making these shrimp over and over again. Too bad it's not an actual recipe in the book because it probably gets overlooked by many. It's literally only three sentences prior to this recipe. Go find those three sentences and make this shrimp!

Looking for more Julia Child seafood recipes to read about?

→ Check out all of the fish recipes that I've completed so far!

How to Make Sole à la Dieppoise

✽ Step 1: Make Shrimp

Julia Child Shrimp

I started preparing the shrimp first. You must first simmer white vermouth, water, onion, carrot, celery, parsley, bay leaf, thyme, peppercorns, and tarragon together for a few minutes. The shelled shrimp is then simmered in the flavorful liquid.

Julia Child Fish Filets with Mussels and Shrimp

Don't skip this step! Even the shrimp that weren't covered in the delicious butter afterwards still had great flavor from cooking them this way. Six of the shelled shrimp get saved for plating.

Julia Child Buttered Shrimp

The rest of the shrimp are de-shelled and cooked in butter, shallots, salt, pepper, and white vermouth. YUM.

✽ Step 2: Poach Fish

Julia Child Poached Fish

I then poached the fish. It is poached in the same exact manner as the previous fish recipes in this book.

✽ Step 3: Steam Mussels

Mussels Julia Child

Next up, mussels! The mussels are to be scrubbed and soaked in water for a couple of hours so they gourge their sand out. If the shell is open just even a little bit, throw it out! This is an indicator that the mussel is probably dead. You can give the mussel a good tap on the shell to see if they close back up. If they stay open, don't chance it.

The mussels are cooked in a small amount of white vermouth, shallot, parsley, and pepper. The liquid will boil, the mussels will steam, and their shells will swing wide open! It's kind of fun to watch. Though a little morbid.. poor lil' fellas.

✽ Step 4: Make Sauce

The sauce is the same sauce as the previous recipe. The only difference is at the very end, right before serving, A LOT of butter is beaten in. She says that you can use 4 to 16 tablespoons of butter but 6 to 8 tablespoons is the usual amount. I went with 8.

✽ Step 5: Plate

Julia Child Fish Filets with Mussels and Shrimp

The last thing to do is plate everything! I struggled with this quite a bit. There are so many components of this dish, and, honestly, the sauce looks a like a big yellow glob when on the plate. Perhaps, I should've thinned it out more.

This is the best I could come up with! The final assembly involves 6 shelled shrimp and 6 to 12 canned truffles.

*This blog, Laura The Gastronaut, and this post were/are not endorsed or supported by Julia Child or The Julia Child Foundation.

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Category: Julia Child, Desserts & Cakes Cuisine: French
Keywords: sole a la dieppoise recipe, julia child seafood recipes, julia child mussels

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More Seafood Recipes:

Coquilles St Jacques a la Provencale (a very delicious scallop recipe- served in scallop shells)
Poached Fish Filets (fish covered in a tasty white wine, cream, and egg yolk sauce)
Thon a la Provencale (a tuna recipe made with wine, tomatoes, and herbs)
→ Check out all of the completed Julia Child fish recipes!

✽ You can find this recipe and all the other Julia Child recipes I make in Mastering the Art of French Cooking, Volume I (affiliate link). Mastering the Art of French Cooking, Vol. I was written by Julia Child who co-authored with Simone Beck & Louisette Bertholle and was published by Alfred A. Knopf in 1961.

✽ Check out my Julia Child Recipe Checklist to see a list of all my completed and pending recipes from Mastering the Art of French Cooking!

Bon appétit!

February 1, 2021 by Laura Ehlers

*This Sole a la Dieppoise blog post may contain Amazon affiliate links. These link to products that I personally use and recommend. If you purchase anything using my links, it will not cost you anything. It will though give laurathegastronaut.com some financial support which helps me keep this blog running. Thank you for reading my blogs and your continued support.