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Sesame Miso Roasted Potatoes

Sweet, salty, nutty, and packed with umami, these sesame miso potatoes are a flavor explosion in every fluffy bite. Oven and air-fryer options!
Prep Time30 mins
Cook Time35 mins
Course: Appetizer, Side Dish
Cuisine: Japanese
Servings: 4


  • 1 ½ lb russet or Yukon Gold potatoes cubed
  • 1 clove garlic minced
  • 1 tsp ginger minced
  • 2 tbsp ground toasted sesame seeds (surigoma)
  • 1 ½ tbsp red miso*
  • 2 tsp sugar
  • 1 tsp mirin
  • 1 tsp sake
  • 1 tsp toasted sesame oil
  • 2 tbsp water


  • Add cubed potatoes to a bowl filled with cold water and soak for at least 30 minutes.
  • Preheat oven to 400°F or air fryer to 375°F. If using the oven, grease or line a baking sheet for roasting.
  • Drain soaked potatoes and pat each cube dry with a towel. Place on baking sheet/air fryer basket and roast for 30-35 minutes in the oven, or 20 minutes in the air fryer.
  • When the potatoes are about 5 minutes from being done, add the remaining ingredients to a saucepan and bring to a simmer over medium low heat. When the sugar is dissolved and the sauce is well incorporated, turn off the heat and add potatoes. Toss until the potatoes are evenly coated.
  • Add potatoes back to baking sheet/air fryer basket and roast an additional 2-4 minutes until browned and crisp. The sauce burns easily so keep a close eye on them.
  • Garnish with toasted sesame seeds and chopped green onions if desired.