Rebecca’s Recipe of the Week: David Lebovitz’s Radish Leaf Soup | Canalside Community Food

Freakily, last week two different people, from two different continents, sent me this recipe for radish leaf soup. I feel that is a sign that the recipe must now be shared with everyone at Canalside, even though, lacking a potato, I have not yet had a chance to make it myself. Let me know how you get on with the peppery, leafy radish leaves that are doubtless still sitting in your fridge from last week. It looks delicious—please note especially the suggestion of topping your soup with ‘pumpkin seeds, sliced radishes, crème fraîche, sour cream, olive oil, freshly cracked black or a pinch of red pepper powder, scallions, edible flowers, fresh herbs, a dollop of pesto, or a dribble of pumpkin seed oil’.

Radish Leaf Soup
6-8 servings

I (that’s David Lebovitz) strongly suggest you use radish leaves that are unsprayed or organic, and wash them well to make sure all grit has been removed. If you don’t have enough radish leaves, feel free to make half the recipe, or bulk it up with lettuce or another mild green. Something like spinach, kale, or Swiss chard will overtake the flavor of the radish leaves (although it’s not the end of the world if you’re trying to use up odds and ends of various greens), but you could use arugula in addition to the radish leaves, or something similar. I don’t peel the potatoes but you are welcome to. If using commercial chicken stock, cut the salt in half and add more, to taste. If you don’t have chicken stock, water or vegetable stock works fine. I added a touch of heavy cream, which smoothed things out nicely and gives the soup a subtle richness, but offered a few alternatives. You could use more, or use regular milk (cow or plant-based), or leave it out. Possible garnishes are, but are not limited to, pumpkin seeds, sliced radishes, crème fraîche, sour cream, olive oil, freshly cracked black or a pinch of red pepper powder, scallions, edible flowers, fresh herbs, a dollop of pesto, or a dribble of pumpkin seed oil.

Ingredients
2 tablespoons butter, salted or unsalted
2 tablespoons olive oil
1 large onion, peeled and diced, or 2 leeks, cleaned and sliced
1 1/2 teaspoons kosher or sea salt
freshly ground black pepper (I used a total of about 1 teaspoon of pepper)
4 cloves garlic, peeled and sliced
2 medium potatoes, washed and diced, (12-16oz, 340-450g)
2 cups (500ml) water
12 cups (lightly packed) fresh radish leaves, rinsed very well (9 oz, 270g)
3 cups (750ml) chicken stock
1 tablespoon Dijon mustard
1/8 teaspoon cayenne pepper
1/2 cup (125ml) heavy cream, sour cream, mascarpone, or creme fraiche

Preparation

1. Heat the butter and olive oil in a soup pot or Dutch oven over medium-high heat. Add the onions and cook, stirring frequently, seasoning them with the salt and pepper, until soft and translucent, about 5 minutes. Add the garlic and stir for a minute or two, to help them release their aroma.
2. Add the potatoes and 2 cups of water to the pot. Cover, bring to a boil then reduce the heat to a steady simmer and cook until the potatoes are tender when poked with the tip of a sharp paring knife, about 10 to 15 minutes.
3. Add the radish leaves and stock. Cover, bring to a boil, then reduce the heat and simmer just until the radish leaves are wilted and cooked through. Remove from heat.
4. If using an immersion blender, add the cream, mustard, cayenne, and cream to the pot and puree until smooth. If using a standard blender, let the soup cool until tepid then puree the soup with the cream and mustard. (Never fill a blender more than half full with hot liquid as it can blow off the lid and cause injuries.) Rewarm the soup and serve with any of the suggested garnishes.

Recipe from David Lebovitz, https://www.davidlebovitz.com/radish-leaf-soup-recipe-soupe-fan-radis-recette/.