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University-style sweet potatoes

University-style sweet potatoes

Desserts

Japanese student snack: thinly sliced and fried sweet potato, coated in a sugar and rice vinegar/soy sauce syrup, and sprinkled with sesame seeds.

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Recipe from Alagos, Hanamanteo, adapted by Recette de cuisine · · updated on

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These university-style French fries are a revamped version of our classic French fries. They are steamed and then fried, resulting in a crispy exterior and a soft interior. Add a sweet and salty glaze for an unforgettable flavor.

Ingredients and directions

  • Prep time15 min
  • Cook time10 min
  • Resting5 min
  • Total30 min
  • DifficultyEasy
  • CostBudget
  • Cooking methodfrying
  • Estimated cost$3.31 $0.83 / serving Estimated price; varies by store. Converted from euros at the ECB rate of October 14, 2026.
  • Vegetarian
  • Vegan

Ingredients

4 people
  • $2.79
  • $0.17

Varnish

  • $0.03
  • $0.02
  • $0.05
  • $0.01
  • $0.24

Prices from US supermarkets for 6 of 7 ingredients; Belgian prices for the rest.

Directions

  1. Cut the sweet potatoes into 3 cm pieces at an angle (rangiri), rotating each piece to create sharp edges. ≈ 8 min
  2. Soak them for about 5 minutes in the water, then drain and dry them.
  3. Fry them for 4 to 5 minutes in oil heated to 160 °C, until they are tender, then drain them.
  4. Place the sugar, water, oil, vinegar, and soy sauce in a small saucepan and bring to a simmer over medium heat. Stir the mixture occasionally, but do not stir once it has heated up.
  5. Test it by dropping a small amount into a glass of water: it should remain flexible without dissolving. ≈ 3 min
  6. Add the French fries and coat them with a wooden spoon, then sprinkle with sesame seeds.

The bill

University-style sweet potatoes

  • 300 g of sweet potatoes$2.79
  • oil for deep frying$0.17
  • 50 g of sugar$0.03
  • 1 teaspoon (5 ml) of vegetable oil$0.02
  • 1 teaspoon (5 ml) of rice vinegar$0.05
  • 1/2 teaspoon (2.5 ml) of soy sauce$0.01
  • 2 tablespoons of sesame seeds$0.24

Total$3.31

that's $0.83 per person

Estimated price; varies by store.

Equipment

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Before you start

Ingredients

  • 300 g of sweet potatoes
  • oil for deep frying
  • 50 g of sugar
  • 1 tablespoon (15 ml) of water
  • 1 teaspoon (5 ml) of vegetable oil
  • 1 teaspoon (5 ml) of rice vinegar
  • 1/2 teaspoon (2.5 ml) of soy sauce
  • 2 tablespoons of sesame seeds

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