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Anchovy-Kissed New Potato & Lamb's Lettuce Salad with Watercress Snow
what's this?
Strangeness scale
- 1 — Slightly odd
- 2 — Raises eyebrows
- 3 — Genuinely strange
- 4 — Deeply weird
- 5 — Unhinged
- Total
- 25m
- Difficulty
- Easy
- Serves
- 2
- Origin
- Mediterranean
New potatoes and anchovies are a perfectly reasonable bistro pairing, which is exactly why blitzing raw watercress into a near-frozen vinaigrette 'snow' that melts over warm potatoes feels so disorienting in the best way. The cold-hot contrast pulls the anchovy's glutamates forward while the peppery watercress oils bloom against the potato starch. No unusual ingredients, genuinely surprising results.
Equipment
Why It Actually Works
Freezing the vinaigrette into a granita-style snow controls how flavor arrives on the palate: as the ice crystals melt, they release cold bursts of glucosinolates and volatile mustard oils from the watercress in stages rather than all at once. Raw new potatoes sliced thin on a mandoline are rich in resistant starch, which acts as a flavor-trapping matrix that absorbs the anchovy's free glutamates and inosinate during the brief ambient cure, producing a synergistic umami spike well beyond what either ingredient manages alone. The lamb's lettuce contributes saponins and mild bitterness that cut through the olive oil fat in the vinaigrette, keeping the palate clean between bites.
Learn the flavor science rules behind recipes like this →Ingredients
- 400 g new potatoes, scrubbed and very thinly sliced on a mandoline (about 2mm)
- 80 g lamb's lettuce (mâche), roots trimmed and rinsed
- 8 oil-packed anchovy fillets, 4 kept whole for garnish and 4 roughly chopped
- 60 g fresh watercress, thick stems removed
- 3 tbsp extra-virgin olive oil, cold-pressed
- 1.5 tbsp good-quality red wine vinegar
- 1 tsp Dijon mustard
- 1 small garlic clove, microplaned or finely grated
- 0.5 tsp runny honey
- 1 tbsp cold water
- 0.5 tsp flaky sea salt, plus more to taste
- 0.25 tsp freshly cracked black pepper
- 1 tbsp capers in brine, drained and roughly chopped
- 1 tbsp toasted pine nuts
- 0.5 lemon, zested and cut into wedges for serving
- small handful of fresh flat-leaf parsley leaves, torn
Instructions
1. At least 2 hours before serving (or the night before), make the watercress snow: combine the 60 g watercress, olive oil, red wine vinegar, Dijon mustard, grated garlic, honey, cold water, salt, and pepper in a high-speed blender. Blitz on high for 60 seconds until completely smooth and vivid green. Taste and adjust salt or acid. Pour the vinaigrette into a shallow freezer-safe container or ice-cube tray and freeze until solid, at least 90 minutes.
2. While the vinaigrette freezes, prepare the potatoes. Slice them paper-thin on a mandoline (use the guard — anchovy salad is not improved by blood). Lay the slices in a single layer on a clean kitchen towel and press gently with another towel to remove excess moisture. This step is crucial: dry potato surfaces absorb the vinaigrette flavors far more dramatically than wet ones.
3. In a large mixing bowl, toss the thinly sliced raw potatoes with the 4 roughly chopped anchovy fillets and the drained capers. Let the mixture sit at room temperature for 10 minutes — the salt from the anchovies and capers will begin to very gently cure the potato slices, softening their raw edge without cooking them.
4. Scatter the lamb's lettuce across a wide, chilled serving platter or two shallow bowls. Arrange the anchovy-dressed potato slices loosely over the top, keeping some height and airiness in the pile rather than flattening everything down.
5. Remove the frozen vinaigrette from the freezer. Using a fork or the back of a spoon, scrape and flake the frozen block aggressively into a coarse, granular snow — think Italian granita texture, not a smooth scoop. Work quickly so it doesn't melt in your hands.
6. Immediately scatter generous spoonfuls of the watercress snow across the warm-room-temperature salad. The snow will begin melting on contact with the potatoes, releasing tiny cold bursts of grassy, peppery vinaigrette that pool at the base of the bowl.
7. Drape the 4 reserved whole anchovy fillets artfully over the top. Scatter the toasted pine nuts, lemon zest, and torn parsley. Finish with an extra pinch of flaky sea salt and a few extra cracks of black pepper.
8. Serve immediately with lemon wedges on the side. The window of optimal texture is about 4 minutes — that's when the snow is half-melted, the potatoes are lightly dressed, and the lamb's lettuce is still crisp. Eat fast and unapologetically.
Nutrition (estimated per serving)
- Calories
- 420
- Fat
- 26g
- Carbs
- 38g
- Protein
- 10g
- Fiber
- 5g
- Sodium
- 980mg
Variations
- Vegan Snow: Replace the anchovy fillets with 1 tbsp white miso whisked into the vinaigrette before freezing, and add 1 tsp nori flakes for brininess. The glutamate hit is nearly identical and the snow turns a deeper forest green.
- Warm Potato Version: If raw potato texture feels too adventurous, steam the sliced potatoes for exactly 4 minutes until just barely tender but still holding their shape, then cool to room temperature before assembling. The temperature contrast against the vinaigrette snow becomes even more pronounced.
- Tonnato Twist: Blend 30 g good-quality canned tuna into the watercress vinaigrette before freezing for a richer, more protein-forward snow that nods to classic vitello tonnato and turns this into a more substantial lunch.
Storage & Make-Ahead
The frozen watercress vinaigrette is the one component you can genuinely make ahead: it keeps in the freezer for up to 5 days without losing its color or punch, so freeze it the night before if you want to skip the 90-minute wait on the day. The sliced potatoes can be cooked, cooled, and refrigerated in a covered bowl for up to 24 hours, but don't dress them until just before serving or they'll turn waterlogged. Lamb's lettuce wilts fast once dressed, so keep it dry and loose in the fridge, wrapped in a barely damp paper towel, for no more than a day. The whole assembled salad doesn't hold, so plate it right before you eat and grate the frozen vinaigrette over the top at the last possible moment.
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