American · Starter
Crispy Mushrooms with Green Herb Mayonnaise
Wild mushroom chunks in a fizzy cornstarch batter, fried until the shell is puffed and pale, showered with Parmigiano and served with lemon and a punchy herb-flecked mayonnaise for dipping.

- YieldServes 4 to 6 as an appetizer
- Hands-on45 min
- Total57 min
- Difficulty
Ingredients
- 1 Lvegetable oil, or half olive and half vegetable oil, for deep-frying, about 5 cm deep in the pan
- 65 gcornstarch, about 1/2 cup
- 60 gall-purpose flour, about 1/2 cup
- 240 mlsparkling water, very cold
- ¼ tspdried chile flakes
- to tastekosher salt
- to tasteblack pepper, freshly ground
- 450 gwild mushrooms such as maitake, chanterelle, black trumpet (or a mix of cremini and wild), wiped clean and dry, cut into bite-size chunks (about 1 lb)
- to tasteParmigiano-Reggiano, for grating
- 4 piecesbig lemon wedges, to serve
Green herb mayonnaise (about 360 ml)
- 15 gflat-leaf parsley leaves and tender stems, a small handful
- 10 gbasil leaves, a small handful
- 1 pinchmint leaves, a healthy pinch
- 1 pinchtarragon leaves, a healthy pinch
- 1 pinchdill fronds, a healthy pinch
- 240 mlgood-quality mayonnaise, such as Hellmann's or Best Foods
- 1egg yolk, pasteurized if you prefer
- 1 tspfresh lemon juice
- ½ tspkosher salt
- to tasteblack pepper, freshly ground
- 60 mlextra-virgin olive oil
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