Ius Al Marina
"Sauce For Fish"
From the treasured pages of Apicius - De re coquinaria (handwritten excerpts)
Written by Apicius

Ius Al Marina
"Inutal marina. adicies in caccabu oleum liquamen vinum candes porrum coriandrum efticia minuta portulam porcinam coctam. ostellaria amades ut fira sibi coquant facias ut simul coquant'. media coctura mala magiana purgata intrinfecus consisa ostellatim mittes ut coquitur teres piper Cuminu coriandru uiride vel semen mentam Lufferis radicem suffundes acetum mel liquamen defrutu modice & ius de suo sibi aceto modico temperabis facies ut ferveat ut fervuit tractum confringes & ex ea obligas piper asperges & inferes."
English Translation
"Fish sauce. Add to a saucepan oil, liquamen (fish sauce), wine, leek, coriander, small pieces of cooked pork. Also add small cooked sausages so that they cook together. When half cooked, add peeled apples, cut in small pieces, so they cook together. Grind pepper, cumin, fresh or dried coriander seed, mint, laser root; pour over vinegar, honey, liquamen, a little reduced must; and its own juice, tempered with a little vinegar. Bring to a boil; when it has boiled, break in a thickening agent (perhaps a piece of bread or starch) and use it to bind the sauce. Sprinkle with pepper and serve."
Note on the Original Text
The recipe is written in abbreviated, often unpunctuated Latin, using culinary shorthand familiar to experienced cooks of the period. Quantities are implied rather than specified, as was typical: Roman chefs worked by eye and by taste. Ingredient names like 'liquamen' refer to everyday items in ancient kitchens (here, a fermented fish sauce). Spelling and vocabulary reflect classical usages (e.g., 'porrum' for leek, 'mala magiana' for a specific apple variety, 'defrutum' for reduced grape must). The instructions move rapidly from ingredient list to method, and expectation is that the cook possesses the necessary skills to interpolate missing details and correct seasoning by their own palate.

Title
Apicius - De re coquinaria (handwritten excerpts) (1475)
You can also click the book image above to peruse the original tome
Writer
Apicius
Era
1475
Publisher
Venice
Background
A delectable compendium of ancient Roman cookery, this collection invites you to taste the flavors of antiquity through ten tantalizing sections based on Apicius’s famed De re coquinaria. Savor recipes, tips, and culinary wisdom penned in a fine Italian hand for the epicurean elite of the 15th century.
Kindly made available by
University of Pennsyllvania
This recipe for 'Ius al marina' comes from an early printed or manuscript copy of a cookery book attributed to Apicius, the legendary Roman gourmand. Apicius’ 'De re coquinaria' is a cornerstone of ancient Western culinary heritage, originally compiled in the late Roman Imperial period. This particular manuscript, produced in fifteenth-century Italy, offers a window into both ancient and early Renaissance approaches to food, with local scribes copying and adapting centuries-old Roman recipes for a new elite audience. The recipe reflects Roman tastes for complex, sweet-sour, and savory sauces, as well as a penchant for combining fruit, herbs, and meat—a hallmark of elite Roman and later medieval cuisines. The use of fish sauce (liquamen), wine, honey, and vinegar shows just how international and sophisticated Roman palates could be.

Back in Apicius’ day, cooks would have used bronze or earthenware cauldrons for simmering sauces, along with wooden spatulas or large spoons for stirring. Mortars and pestles made from stone or metal were indispensable for grinding spices fresh, while sieves of woven fibers might be used to clarify broths and sauces. An open fire or charcoal brazier would serve as a heat source, with skilled hands controlling both temperature and timing by moving the coals or adjusting the pot’s position. Knives and chopping blocks—likely of wood—were used for preparing meats and vegetables. Present-day cooks can recreate the process using modern pots, pans, and food processors where needed, always remembering the importance of hands-on attention and patience.
Prep Time
15 mins
Cook Time
35 mins
Servings
4
We've done our best to adapt this historical recipe for modern kitchens, but some details may still need refinement. We warmly welcome feedback from fellow cooks and culinary historians — your insights support the entire community!
Ingredients
- 3 1/2 tablespoons olive oil
- 2 tablespoons fish sauce (as substitute for liquamen)
- 3 1/2 tablespoons dry white wine
- 2 leeks, finely chopped
- 1/3 ounce fresh coriander
- 1-2 shallots, finely chopped
- 7 ounces cooked pork belly, sliced
- 2 tart apples (e.g., Granny Smith), peeled and sliced
- 1 teaspoon black peppercorns
- 1/2 teaspoon cumin seeds
- 0.2 ounce fresh coriander leaves or 1 teaspoon ground coriander seeds
- 5 mint leaves
- 1/3 ounce lovage root (or celery root as substitute)
- 2 teaspoons white wine vinegar
- 1 tablespoon honey
- Extra splash fish sauce
- 1/2 teaspoon grape must syrup (balsamic glaze as substitute)
- 1-2 teaspoons wheat starch or flour
- Additional ground black pepper, to finish
Instructions
- Begin by selecting a deep saucepan and pour in approximately 3 1/2 tablespoons of olive oil, 2 tablespoons of fish sauce (or use an equivalent amount of Southeast Asian fish sauce as a substitute for Roman liquamen), and 3 1/2 tablespoons of dry white wine.
- Add 2 finely chopped leeks (the ancient 'porrum'), a small bunch (about 1/3 ounce) of fresh coriander, and 1-2 finely chopped shallots.
- Next, add about 7 ounces of cooked pork belly, sliced into bite-sized pieces.
- Allow everything to simmer together over low to medium heat, allowing the flavors to meld.
- After a few minutes, stir in 2 peeled and sliced apples (use tart apples such as Granny Smith as a substitute for 'mala magiana'), letting them soften in the broth.
- While this cooks, prepare a spice blend by crushing together 1 teaspoon black peppercorns, 1/2 teaspoon cumin seeds, a small handful (about 0.2 ounce) of fresh coriander leaves or 1 teaspoon ground coriander seeds, 5 mint leaves, and a thumbnail-sized piece of lovage root (use celery root if lovage is unavailable).
- Deglaze your pan with 2 teaspoons white wine vinegar, 1 tablespoon honey, an extra splash of fish sauce, and 1/2 teaspoon grape must syrup (or use a drizzle of balsamic glaze if defrutum unavailable).
- Once the broth is simmering nicely, thicken the sauce by whisking in 1-2 teaspoons of wheat starch or flour, broken into a slurry with a little cold liquid.
- Simmer to achieve a lightly thickened, glossy sauce.
- Finish by sprinkling with crushed pepper before serving warm.
Estimated Calories
400 per serving
Cooking Estimates
You will spend about 15 minutes getting the ingredients ready and another 35 minutes cooking. Each serving contains about 400 calories. This recipe makes 4 servings.
As noted above, we have made our best effort to translate and adapt this historical recipe for modern kitchens, taking into account ingredients nowadays, cooking techniques, measurements, and so on. However, historical recipes often contain assumptions that require interpretation.
We'd love for anyone to help improve these adaptations. Community contributions are highly welcome. If you have suggestions, corrections, or cooking tips based on your experience with this recipe, please share them below.
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