Going with the flow

I’m still using Imperfect Foods for bi-monthly deliveries. They are on time with reliably packed seasonal produce and products—a pleasure during this Covid debacle when shopping is frequently less than enjoyable.

Key cooking options recently got down to a small bunch of leeks and one sweet potato. It looked like it was time for a nutritious soup. I’d put my Zen on and shoot for uncomplicated {Sweet} Potato Leek Soup—and see what happened.

Sweet Potato and Leeks

Oops, as I started peeling the sweet potato I discovered it was white inside. What? Apparently this sweet potato variation can be drier and less sweet than its redder cousins. Okay, fine.

With so few ingredients it’s hard to screw up this soup. I did add a touch of flour to stabilize the soup, just in case it turned grainy. Most important, the leeks need to cook 30 minutes to soften and release their full sweet-herbal flavors. For stock base, I opt for chicken broth, but I suspect a good vegetable broth would be just as good.

The cubed sweet potato is hard but cooks fairly quickly. The only other seasonings used were herbs with the leeks, nutmeg with the sweet potato, salt and white pepper. When ready, an immersion blender quickly pureed it all.

I wasn’t sure what to expect. Although I was prepared to thin it with milk or stock, I kept it slightly thick. Ah, yes. The soup was creamy and delicious with soothing herbal notes and a touch of sweetness (likely more so with a red sweet potato). It needed no tweaking.

{Sweet} Potato Leek Soup

The garnishes also took on a life of their own. I especially liked it swirled with salted Greek yogurt and threads of green onion.

On another occasion, for textural interest, I dusted the top with dukkah (below), a favorite of Yotam Ottolenghi.

{Sweet} Potato Leek Soup with Dukkah

Dukkah is a nutty Egyptian mix laced with coriander, cumin and sesame seeds that I learned about on his MasterClass. Oh, yum.

Dukkah mix

The point is, any type of potato will work here, just go with the flow… it’s even good straight up in a cup—fast, filling, and refreshing.

{Sweet} Potato Leek Soup

Ingredients
1 Tbsp coconut oil or butter
3 small leeks, mostly white parts, clean well, trim and slice
½ tsp thyme and/or savory
1 bay leaf
salt and white pepper
1 Tbsp flour
2-3 cups chicken broth, divided
1 medium sweet potato (any kind!), peel and small chop
¼ tsp nutmeg
1 cup evaporated or whole milk approx., optional
Finish: plain yogurt light salted, green onion slivers

For Dukkah mix: 1 tsp coconut oil, 2 tsp coriander seeds, 1 tsp cumin seeds, 2 tsp white and or black sesame seeds, ⅔ cup total any combo slivered almonds, hazelnuts, sunflower seeds, pumpkin seeds, hazelnuts, pine nuts, and or pistachios. Each ½ tsp paprika, dried oregano or sage, and sumac if available. Optional ½ tsp salt and/or sugar. (see below)

Directions

  1. In soup pot heat the oil over medium add the leeks and toss; then the spices. Cook 10 minutes. Add salt and pepper, blend in the flour and cook 2-3 minutes.
  2. Stir in 1 cup stock, simmer to thicken. Add the potato cubes and nutmeg; stir in more stock to cover. Simmer the vegetables until soft, 20-30 minutes.
  3. Carefully puree with an immersion blender until smooth; adjust seasoning. Set aside until ready to serve soup.
  4. To finish, heat the soup mixture. If desired, stir in milk to thin; avoid boiling. Finish with salted yogurt, green onion or dukkah. Serves 4
Dukkah

inspired by Yotam Ottolenghi

  1. In a small skillet, heat coconut oil over medium/high heat, add the coriander and cumin seeds and cook until aromatic, 3-5 minutes.
  2. Add sesame seeds and toss until toasted scents begin to develop. Add nuts of choice. As mix begins to toast, add paprika, oregano or sage, sumac if available. Adjust with a pinch of salt and/or sugar as needed to balance. Toss until well toasted but not burnt. Let cool.
  3. Process briefly in food processor into a coarse blend. Cool and store well covered, the blend holds well.

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