Fish & Seafood Stock – Depth, Flavor, and Sustainability
The making of fish and seafood stock is among the most valuable skills in professional cooking, transforming simple bones, shells, and trimmings into a refined, versatile foundation that enriches soups, sauces, and risottos. Beyond flavor, these stocks deliver natural nutrients such as calcium, iodine, and collagen while reducing kitchen waste through the creative reuse of bones, shells, and vegetable trimmings. Whether using fish bones or shrimp shells, the process promotes efficiency, sustainability, and craftsmanship — essential values in any galley or professional kitchen.
Recipes are shared as flexible guidelines to inspire and give you ideas. We are always available to advise on substitutions when ingredients aren’t available onboard.
Ingredients
For the dish
Instructions
Prepare the Ingredients
- For fish stock, rinse fish bones and trimmings under cold water to remove blood and impurities.
- Roughly chop vegetables and aromatics.
- (Optional) Lightly sweat the vegetables in butter or oil before adding bones or shells for a deeper, rounder flavor.
2 Simmer
- Combine all ingredients in a large pot and add enough cold water to cover (about 12 L total).
- Bring slowly to a gentle simmer, never boil, to maintain clarity.
- Skim any foam or impurities from the surface during the first 10-15 minutes.
- Simmer gently for about 45 minutes, stirring occasionally.
- Avoid prolonged cooking; over-simmering can cause bitterness or cloudiness.
3 Strain and Reduce
- Strain the liquid through a fine-mesh sieve or cheesecloth, discarding solids.
- Return the strained liquid to the pot and simmer uncovered to reduce by about one-sixth to one-third for a richer, more concentrated flavor (optional).
- Cool rapidly using shallow pans.
- Transfer to clean, labeled containers and store in the refrigerator or freezer.
Note
Tips for Best Results
Mix shrimp shells for a balanced aroma and complexity.
Avoid adding salt - season only when using the stock in recipes.
Always maintain a gentle simmer; boiling clouds the stock.
Reducing after straining enhances depth of flavor while maintaining clarity.
Freeze in 1–2 L containers for convenience and consistency.
Save all your relevant vegetable trimmings to use in the stock, reduce waste and enrich the stock at the same time.