{"id":185810,"title":"Mackerel Mousse","modified":"2026-10-06T06:54:04+02:00","plain":"A chilled mackerel mousse with mustard, brightened with mint, chives and radishes.\n\n\n\nChilled and distinctly briny, this mousse leads with mustard, followed by mint, chives and a hint of citrus, with radish adding crunch. It is a French classic with a smooth texture, served in small glasses, hollowed-out tomatoes or endive leaves, as an elegant starter or an appetizer bite. This version stays moderate in carbohydrates, at 8 g of net carbs per serving. This recipe joins my collection of keto sauces and dips.\n\n\n\nWhat is mackerel mousse?\n\n\n\nHere, mousse means a smooth, creamy preparation that sits softly on a spoon, rather than something whipped or airy. Mackerel forms the base: an oily fish with a distinctive flavor, finely blended with a creamy binder, a condiment and fresh herbs.\n\n\n\nIt all comes down to a simple balance: the fillet provides briny depth and body, the yogurt mellows it, the Dijon mustard adds punch and the lemon brightens everything. Mint, chives and radish round out the mousse with fresh notes. The aim is a dense, chilled, uniform texture, stable enough to hold its shape in a small serving glass.\n\n\n\nRelated: Blueberry sauce.\n\n\n\nThe character of the dish and how to serve it\n\n\n\nFish mousses are part of the French tradition of cold starters, served in small glasses, on an amuse-bouche platter or at the center of a buffet. They rely on clear flavors, simple presentation and a creamy texture that turns a boldly flavored fish into an elegant bite.\n\n\n\nMackerel is well suited to this: its richness calls for bold contrasts, mustard livens up the flesh, citrus cuts through the fat and herbs add freshness. Grated radish and mint bring a fresh vegetal note without upsetting the balance of salt, acidity and creaminess.\n\n\n\nPreparation is quick, taking 20 minutes in total, in the spirit of a quick meal. It works well in individual portions and delivers a distinctive flavor despite its short ingredient list.\n\n\n\nThe main ingredients\n\n\n\nThe mackerel fillet, weighing 125 to 140 g, forms the base: with the skin and bones removed, the flesh is worked into a fine paste with a clear marine aroma that should remain at the forefront. The 4 radishes, grated before being folded in, bring peppery freshness and a little texture to an otherwise very uniform mixture; for a milder, crunchier version, daikon radish also works.\n\n\n\nFor a variation: Garlic and herb butter.\n\n\n\nThe 3 teaspoons of Dijon mustard give the seasoning its backbone, bringing punch and a subtle bitterness that complements the richness of the mackerel; add salt sparingly. A small amount of plain yogurt, 2 teaspoons, loosens the fish mixture, softens the mustard and provides creaminess; choose an unsweetened, neutral-tasting yogurt, without a coconut flavor that would overpower the other ingredients.\n\n\n\nFresh mint, 5 to 10 leaves, counterbalances the density of the fish, while 15 chive stems add a delicate herbal note, with 2 teaspoons going into the mousse and the rest reserved for garnish; for another way to enjoy this flavor, try chive blossom butter. Citrus juice brings everything together: half a lime or a quarter of a lemon is enough, squeezed separately to remove the seeds and added sparingly, as the radishes already contain water.\n\n\n\nTexture tips and serving\n\n\n\nThe right texture holds its shape while remaining smooth and supple, dense enough to stay in place and creamy enough for a spoon to glide through it. Fine flecks of mint and chives are welcome, but pieces of skin, bones or large chunks of fish have no place here. Serve the mousse chilled to preserve the bite of the mustard, the freshness of the herbs and the brightness of the citrus.\n\n\n\nAlso worth exploring: Sambal badjak.\n\n\n\nKeep it refrigerated in a covered container and leave it at room temperature only briefly when serving. In small glasses, it makes 2 to 4 servings, depending on whether it is served as a starter or an appetizer; fill hollowed-out tomatoes, cherry tomatoes and endive leaves at the last minute so they stay crisp and do not release water. For a lower-carb plate, these bread-free presentations preserve the fresh character of the recipe.\n\n\n\nFor everyday keto cooking, here are all my low-carb recipes.\n\n\n\n\n\n\tMackerel Mousse\n\t\t\n\t\t\t\n\t\n\t\t\t\n\t\n\t\t1 mackerel fillet (between 125 and 140 g)4 radishes3 teaspoons Dijon or smooth mustard2 teaspoons dairy or plant-based yogurt (preferably not coconut-based)5 to 10 leaves fresh mint15 stalks fresh chives (2 teaspoons + garnish)0.5 lime, juiced (moderate in carbs; or 0.25 lemon, juiced, low in carbs)Optional4 tomatoes (to use as cups for filling)several cherry tomatoes (for bite-sized appetizers)1 endive (to use the leaves as appetizer \u201cspoons\u201d)\t\n\t\n\t\tRemove the bones and skin from the mackerel. Place in the immersion blender beaker.Grate 4 radishes and add the grated radishes and the small remaining ends to the mackerel.Squeeze half a lime into a small bowl (to catch any seeds) and add the juice.Add the mustard, yogurt, mint and chives.Blend with an immersion blender.\t\n\t\n\t\tEquipment: Immersion blender, spoon, small knife, scissors, 4 small glasses (or a tomato to use as a cup, an endive leaf).\n\t\n\t\n\t\tAp\u00e9ritifFran\u00e7aise","_links":{"self":[{"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/posts\/185810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/comments?post=185810"}],"version-history":[{"count":0,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/posts\/185810\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/media\/184639"}],"wp:attachment":[{"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/media?parent=185810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/categories?post=185810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/marcwiner.com\/en\/wp-json\/wp\/v2\/tags?post=185810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}