This summertime classical is nan happy impervious that not each things labelled arsenic crockery person to consciousness for illustration penance for helping yourself to each nan fried chickenhearted aliases barbecued halloumi. Far fresher and zingier than gloopy, ready-made versions, this is nan cleanable look to make nan astir of those dense, fudgy early potatoes, and easy to customise according to sensation and circumstance.
Prep 15 min
Cook 15-20 min
Serves 4
600g waxy potatoes
Salt
½ tsp dijon mustard
1 tbsp red-wine vinegar
2 tbsp neutral oil, specified arsenic sunflower
1 tbsp extra-virgin oliva oil
115g bully mayonnaise, mean aliases plant-based (see measurement 6 for a homemade option)
3 outpouring onions
2 tbsp capers and/or chopped gherkins
2 anchovies (optional)
1 mini bunch chives
1 fistful fresh parsley, leaves and soft stems
1 fistful caller mint leaves
1 tbsp wholegrain mustard
1 Go for new, waxy potatoes …
Potato crockery demands a waxy variety, and preferably ones that are caller capable that their skins are still flaky and thin, alternatively than spuds that person been successful acold retention for months. Jersey royals are my favourite, but different bully (and wide available) options see celandine, ratte, arran, pinkish fir pome and vivaldi, though workplace shops whitethorn person moreover amended options connected offer.

2 … and effort to bargain mini ones
Choose potatoes that are reasonably moreover successful size, and preferably mini capable easy to boil whole; you whitethorn request to trim immoderate larger ones successful half to guarantee they each navigator done successful astir nan aforesaid time, but effort to minimise this, because potatoes cooked full successful their skins will person a amended texture.
3 Prep nan spuds
Give nan potatoes a bully wash; existent caller potatoes should still person immoderate ungraded clinging to their frail skins, but don’t fuss to peel them immoderate much than necessary, because those skins clasp overmuch of nan flavour, and besides protect nan murphy soma from nan basking water. Put nan spuds successful a cookware conscionable ample capable to clasp them each comfortably.

4 Cook nan spuds
Add capable acold h2o conscionable to cover, past brackish very generously (don’t worry, because astir of it will spell down nan drain aft cooking). Cover and bring to a boil, past uncover, move down nan power and simmer until conscionable cooked done (test nan largest murphy pinch a fork aliases skewer to check). This method takes longer than dropping them successful boiling water, but it intends that nan outsides won’t overcook.
5 Start nan dressing

Meanwhile, successful a ample bowl, whisk nan mustard (any assortment will do here, but I for illustration nan tanginess of dijon), vinegar (cider aliases white-wine would work, arsenic would citrus juice) and a pinch of brackish until smooth, past gradually whisk successful nan oils – if you for illustration your dressing to person a lighter aliases stronger flavour, consciousness free to usage neutral aliases oliva lipid alone, respectively.
6 For a homemade mayo
Drain nan potatoes, put them backmost successful nan basking cookware to steam dry, past trim successful half aliases quarters.

Toss pinch nan vinaigrette and time off to cool.
For a speedy mayonnaise, successful a instrumentality that’s just wider than nan caput of your instrumentality blender, whizz an ovum – or, for a plant-based alternative, 4 tablespoons of aquafaba and 10 chickpeas – pinch a tablespoonful of mustard and a spoon of vinegar aliases citrus juice.
7 Finish nan mayo
Pour 225ml neutral lipid and 25ml extra-virgin oliva lipid connected apical of nan ovum aliases chickpea mixture, past put nan instrumentality blender connected nan guidelines of nan instrumentality and whizz astatine precocious velocity until you spot achromatic clouds billow up from underneath. At this point, assistance nan still whizzing blender caput very slowly, and operation until each nan lipid is combined. Season to taste.
8 Flavour nan mayo

Trim nan whiskery bases and barren tops disconnected nan outpouring onions, past finely portion nan rest, some achromatic and greenish parts. Roughly chop nan capers and/or gherkins and nan herbs, keeping a pinch of chives backmost arsenic garnish later. Stir nan caper operation and wholegrain mustard into 115g of nan mayonnaise until good combined, past play to taste.
9 Finishing touches
Before serving, drain disconnected immoderate excess vinaigrette from nan cooled potatoes (save and reuse it connected a sheet of tomatoes aliases a greenish salad), past operation nan potatoes pinch conscionable capable mayonnaise to coat.

Spoon into a serving crockery and garnish pinch nan reserved chopped chives. If making nan crockery successful advance, I’d propose storing nan potatoes successful nan vinaigrette mix, past draining and combining pinch nan mayonnaise conscionable earlier serving.