Cod and Mushroom Soup is a gentle GAPS Intro Stage 1 meal built around homemade chicken meat stock, thoroughly softened scallions and mushrooms, and tender pieces of wild-caught cod. Most of the vegetables are blended into the stock, while a small reserved portion gives each bowl a little texture.
The fish never needs a hard boil. The finished soup reaches 170°F before the cod goes in, then the pot comes off the heat after one minute of stirring. A ten-minute covered rest finishes the small half-inch pieces gently. The final test is physical: the cod should separate into moist flakes when pressed.
This is the kind of soup that works on a day when a family needs something warm without another complicated cooking project. The vegetables simmer in measured stages, the Ninja blends the base in one to two minutes, and the cod finishes while the pot rests off the burner.
The flavor is mild and savory. Scallions or onion give the stock a soft aromatic base, mushrooms deepen it, and cod stays delicate rather than becoming dry or stringy.
The finished bowl should smell clean and mushroom-rich, with no raw onion edge or strong fish odor. The broth stays loose enough to sip, while the blended vegetables give it a lightly creamy look without dairy or flour.
Why This Soup Fits Intro Stage 1
This soup is written for the GAPS Introduction Diet Stage 1. It uses boiled fish, homemade meat stock, mineral salt, and vegetables that simmer until thoroughly soft. Blending most of the scallions and mushrooms makes their texture even gentler.
Use real homemade meat stock made from raw meaty parts. For the exact version used here, make GAPS Chicken Meat Stock for Intro Stage 1. The first cup is the clear strained liquid. The additional two cups may include the soft tissues blended back into the stock, or they may be clear stock as well.
Boneless cod simmered in liquid does not create fish stock. A true fish stock begins with appropriate raw fish parts. This recipe uses chicken meat stock because it is already established, easy to link, and keeps the cod pieces as the fish component.
If your chicken stock has chilled into a soft gel, warm it only enough to measure and pour. The gel will melt back into liquid in the saucepan. Keep both the clear cup and the thicker two-cup portion unsalted until the recipe’s measured teaspoon is added.
Choose And Cut The Cod
Use one pound boneless wild-caught cod. Pat it dry enough that it does not carry excess package liquid into the soup, then cut it into even one-half-inch chunks.
Uniform pieces matter because the fish cooks during a short rest rather than a long boil. Large pieces may remain translucent inside while small scraps turn dry. Aim for compact cubes with clean edges and remove any pin bones you find.
Keep the prepared fish refrigerated while the vegetables simmer. Add it only after the blended stock reaches 170°F.
Simmer The Scallions First
Add one cup clear chicken meat stock to a Le Creuset stainless-steel saucepan. Bring it to a gentle simmer, then add one-half cup finely chopped scallions or onion.
Simmer for ten minutes. The pieces should lose their raw bite and become soft enough to press easily against the side of the pan. Keep the bubbles gentle so the measured cup of stock does not reduce too quickly.
Add The Mushrooms For Ten Minutes
Slice eight ounces baby portabella mushrooms thinly so they soften on the same schedule. Add them to the scallions and simmer for another ten minutes.
The mushrooms will darken and shrink as they release moisture. They are ready for the next step when a slice folds easily under the spoon and no firm raw center remains.
Watch the liquid level during this second simmer. The mushrooms add their own moisture, so the pan should remain soupy rather than dry. If the boil becomes aggressive, lower the heat instead of adding an unmeasured splash of water.
Reserve Some Vegetables For Texture
Scoop out one-half cup of the cooked scallions and mushrooms and set it aside. This portion returns to the pot after blending and gives the finished soup recognizable soft pieces.
Measure the reserved vegetables rather than guessing. Leaving too much in the pan changes the thickness of the blended base; leaving none removes the gentle texture that distinguishes this soup from a completely smooth bisque.
Blend The Remaining Soup Base
Transfer the remaining hot stock, scallions, and mushrooms to the Ninja BN801 Total Crushing Pitcher. Keep below the hot-liquid limit, secure the lid, and blend for one to two minutes.
The mixture should look evenly tan-brown and creamy from the softened vegetables. Tiny dark mushroom specks may remain; the base does not need to look perfectly white or unnaturally smooth.
Pause the blender before checking the texture and wait for the blade to stop completely. A spoonful should pour in one smooth stream with very soft vegetable body. Large slippery mushroom slices mean it needs a little more blending within the one-to-two-minute range.
Return the blended mixture to the saucepan and stir in the reserved half-cup vegetables. Scrape the pitcher so the thickened vegetable base returns to the pot instead of staying on the sides.
Add The Remaining Meat Stock
Stir in two cups homemade chicken meat stock. For a fuller Intro Stage 1 soup, use stock with its cooked soft tissues blended smoothly into the liquid. For a lighter soup, use two more cups of clear strained stock.
Add one teaspoon mineral salt and stir until the blended base and added stock are uniform. The soup should pour easily while still carrying more body than plain broth.
Heat The Soup To 170°F
Warm the soup over medium-low heat until an instant-read thermometer reaches 170°F. Stir from the bottom as it heats so the blended mushroom base does not settle and catch.
Do not guess this point from steam alone. The measured temperature supplies the heat that cooks the cod during the covered rest.
Add The Cod And Rest Ten Minutes
Add the half-inch cod pieces and stir gently for one minute so they separate and contact the hot soup. Turn off the heat, cover the saucepan, and let it stand for ten minutes.
The cod changes from translucent and glossy to opaque white as it cooks. Some pieces may begin separating at their natural seams before the full rest is over; that is normal. Keep the lid on so the stored heat remains in the pot.
Avoid vigorous stirring once the fish begins to turn opaque. Cod flakes easily, and a gentle fold keeps small pieces visible in the bowl.
Use The Flake Test
After ten minutes, lift out one of the largest cod chunks. Press it lightly with a fork. It is done when it separates into moist opaque flakes with no translucent center.
If it resists or remains translucent, return the fish to the soup and place the pan over low heat for one to two minutes. Turn the heat off again as soon as the cod flakes. Longer boiling can tighten the fish and make the texture dry.
Serve And Store The Soup
Ladle gently so every bowl receives blended stock, soft reserved vegetables, and cod pieces. Serve the soup warm without raw garnish during Intro Stage 1.
Warm the serving bowls first so the gentle soup stays hot at the table.
Cool leftovers promptly in a covered glass container and refrigerate them. No storage window is given, so use the soup promptly. Reheat only until hot, stirring carefully enough to keep the cod in flakes.
Recommended Equipment
- Le Creuset Signature stainless-steel saucepan
- Instant-read thermometer
- Ninja Professional Plus Kitchen System BN801 with Total Crushing Pitcher
- Cutting board and sharp chef’s knife
- Fine-tip fish-bone tweezers, optional
- Measuring cups and spoons
- Stainless-steel ladle
- Covered glass storage container
Frequently Asked Questions
Can I Use Beef Meat Stock?
The documented version uses chicken broth and chicken meat stock, which keeps the flavor gentle around the cod. Beef meat stock would produce a much stronger soup and is not presented as an equal swap here.
Can I Use Fish Stock?
Yes, when it is genuine homemade fish stock made from appropriate raw fish parts. Liquid created by cooking boneless cod alone should not be called fish stock.
Do The Mushroom Specks Need To Disappear?
No. Blend for one to two minutes until the base is fairly smooth. Fine mushroom specks can remain and help show that the soup is made from softened whole vegetables.
Why Heat The Soup To 170°F?
The cod cooks mainly during the ten-minute rest after one minute of stirring. Heating the soup to the measured temperature gives that gentle off-heat method a consistent starting point.
How Do I Keep The Cod Tender?
Cut even half-inch pieces, stop the burner after one minute, and use the flake test after the rest. Reheat for only one to two minutes when a piece is not yet done.
Can I Double The Recipe?
Use the WPRM 2× control for the ingredient amounts. Simmer the vegetables for the same measured times, blend in batches if needed, and bring the combined soup back to 170°F before adding two pounds of cod.
Cod And Mushroom Soup Recipe
Cod and Mushroom Soup for GAPS Intro Stage 1
Ingredients
Equipment
Method
- Add 1 cup clear chicken meat stock to the saucepan and bring to a gentle simmer. Add the scallions or onion and simmer for 10 minutes.
- Add the sliced mushrooms and simmer gently for another 10 minutes, until fully soft.
- Reserve 1/2 cup of the cooked scallions and mushrooms.
- Transfer the remaining stock and vegetables to the Ninja BN801 Total Crushing Pitcher and blend for 1 to 2 minutes until fairly smooth; fine mushroom specks may remain.
- Return the blended base and reserved vegetables to the saucepan. Stir in the remaining 2 cups chicken meat stock and the mineral salt.
- Heat over medium-low to 170°F, stirring from the bottom.
- Add the cod and stir gently for 1 minute. Turn off the heat, cover, and rest for 10 minutes.
- Press one of the largest cod pieces with a fork. If it flakes and is opaque, serve. If not, heat gently for 1 to 2 minutes more, then test again.
Notes
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Let us know how it was!Make Intro Soup Days Easier
The upcoming Intro Stage 1–6 Batch-Cooking Guide organizes meat stock, soups, cooked vegetables, and family-size prep by stage so the next pot is easier to plan. Find current releases and upcoming additions in the WFLI shop.
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