A seasonal miso soup recipe featuring sweet potato, garland chrysanthemum (shun-giku), and black sesame provides a source of vitamin C and calcium to support skin and mucous membrane health during the drying autumn months, as reported by Yahoo Japan. The recipe, developed by cooking expert Nao Yamada, emphasizes retaining nutrients by minimizing cooking time and avoiding water-leaching processes.
Nutritional Benefits of Seasonal Ingredients
The dish centers on three primary ingredients chosen for their seasonal availability and nutritional density:
* Sweet Potato: A source of vitamin C and dietary fiber. Because vitamin C is often lost during cooking, the recipe calls for slicing the potatoes thinly with the skin intact and boiling them briefly in dashi stock.
* Garland Chrysanthemum (Shun-giku): A vegetable rich in beta-carotene. The body converts this into vitamin A to aid in maintaining healthy skin and mucous membranes. Adding the leaves at the end of the cooking process preserves their distinct aroma and texture.
* Black Sesame: Used as a finishing garnish to add calcium, iron, and dietary fiber, along with a nutty flavor that complements the sweetness of the potatoes.
Preparation and Cooking Instructions
The miso soup requires approximately 10 minutes to prepare and serves two people. The required ingredients include 100g of sweet potato, 50g of garland chrysanthemum, one tablespoon of black sesame seeds, 400ml of dashi stock, and about 1.5 tablespoons of miso paste.
1. Preparation: Slice the sweet potato into 5mm half-moons or ginkgo-leaf shapes and add them directly to the dashi-filled pot without soaking. Cut the garland chrysanthemum into 3–4cm lengths, keeping the stems and leaves separated.
2. Boiling: Bring the dashi and sweet potatoes to a boil, then reduce to low heat and simmer for approximately 5 minutes until the potatoes are tender.
3. Incorporating Greens: Add the stems of the garland chrysanthemum to the pot and simmer for 30 seconds. Add the leaves last, cooking them only briefly to maintain their freshness.
4. Finishing: Remove the pot from the heat to dissolve the miso. Serve in bowls and top with the black sesame seeds.
Optimizing Flavor and Nutrient Retention
To maximize the nutritional value and flavor profile, the recipe suggests skipping the common practice of soaking sweet potatoes in water, which prevents the loss of water-soluble nutrients into the soaking liquid. Additionally, if time permits, lightly roasting the black sesame seeds in a dry pan before adding them to the soup enhances their fragrance, providing a contrast to the sweetness of the potatoes and the bitterness of the greens.
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