To Pickle Mackrel Calld Caveash
From the treasured pages of Mrs. Knight's receipt book
Written by Mrs. Knight

To Pickle Mackrel Calld Caveash
"cut ye mackrel into round pieces divide one into 5 or 6 piece take one ounce of beaten peper 3 large nutmegs a handful of salt & beaten spice make 2 or 3 holes in each peice thrust ye seasoning through with ye finger or scewer rub ye pieces alove and below with ye seasoning fry ym brown in oil let ym stand till cold put ym into vinager and cover ym with oil they will keeps well coverd & a great while."
Note on the Original Text
This recipe is written in what we call 'receipt' style—a terse, direct form common in the 18th century. Instructions were laid out with the assumption that the reader had substantial kitchen experience; explicit quantities, temperatures, and times were rare. There is playful, archaic spelling ('ym' for 'them', 'scewer' for 'skewer', and 'mackrel' for 'mackerel'), and punctuation is sparse. The use of terms like 'beaten spice' refers to hand-ground spice mixes. This kind of text let experienced cooks improvise while preserving the unique flavors of the age, giving us a delicious window into the world of historic English kitchens.

Title
Mrs. Knight's receipt book (1740)
You can also click the book image above to peruse the original tome
Writer
Mrs. Knight
Era
1740
Publisher
Unknown
Background
Step into the refined kitchens of 18th-century England with Mrs. Knight’s culinary collection, where time-honored recipes, hearty roasts, and elegant pastries await the enterprising cook.
Kindly made available by
Folger Shakespeare Library
This recipe hails from the kitchen of Mrs. Knight, who was active around 1740 in England, an era of flourishing domestic cookery and growing appreciation for preserving the bounty of the sea. Known then as "caveash" or "caveach", this pickling method borrows from Mediterranean and Moorish culinary traditions, which were growing in popularity in Britain due to expanding global trade. The method offered not just distinctive flavors—a spicy tang from spices and vinegar—but ensured the fish could be stored long before modern refrigeration. During this period, recipes circulated in personal handwritten collections like Mrs. Knight's, handed down through families and used by housekeepers to manage the larder. Pickled mackerel like this would often grace the table as part of a cold collation or supper, especially when fresh fish was less available.

In the mid-18th century, Mrs. Knight would have used a sharp kitchen knife and wooden cutting board to prepare the fish, and perhaps a marble mortar and wooden pestle to grind pepper, nutmeg, and spices freshly by hand. The incisions were likely made with a skewer—possibly bone or metal—or simply with deft fingers. Frying was done in a heavy iron pan over an open hearth or coal range, using whatever oil was available (often olive oil imported from the Mediterranean). The pickling process required clean ceramic or glass jars, sealed with parchment or waxed leather to keep the fish from air exposure. Cleanliness and proper covering were crucial to keep the preserve fresh, an art passed down to prevent spoilage and waste in an era before refrigeration.
Prep Time
30 mins
Cook Time
15 mins
Servings
6
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
- 2–3 fresh mackerel (about 2.2 pounds total)
- 1 oz ground black pepper
- 3 large nutmegs, grated (or 2 tbsp ground nutmeg as substitute)
- 0.7 oz coarse sea salt
- 2 tbsp mixed ground spice (optional; a blend of mace, cloves, and allspice works well as historical 'beaten spice')
- 1 2/3 cups neutral oil (such as sunflower or light olive oil), plus extra for frying
- 2 1/2 cups white wine vinegar
Instructions
- Begin by selecting fresh mackerel—clean each fish and cut into 5 or 6 thick round pieces.
- Prepare your seasoning by mixing about 1 ounce (28 grams) of freshly ground black pepper, the grated zest of 3 large whole nutmegs, and a generous handful (around 0.7 ounces/0.7 oz/0.04 pounds/0.04 lbs/20 grams) of coarse sea salt.
- Make two or three deep incisions in each mackerel piece; press the seasoning mixture into the cuts using your fingers or a small skewer, ensuring even distribution inside and out.
- Rub the remaining seasoning over the surfaces of the fish.
- Fry the seasoned mackerel pieces in a pan with enough oil to coat the bottom, turning until they are a deep golden brown.
- Allow the pieces to cool completely.
- Place the cooled fish in a sterilized glass or ceramic container.
- Cover them with white wine vinegar until just submerged, then pour a generous layer of neutral oil (such as sunflower oil) over the top to seal.
- Store tightly covered in a cool place—they will keep for several weeks, developing flavor as they mature.
Estimated Calories
320 per serving
Cooking Estimates
Preparing, seasoning, and frying the mackerel takes less than an hour. Once the fish is fried and cooled, it is pickled and sealed with oil. The pickling process is hands-off, but the active time for you is only about 45–50 minutes. Each serving has about 320 calories, and this recipe makes 6 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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