the Best Japanese Sweet Potato Recipe
These Japanese Candied Sweet Potatoes (Daigaku Imo) are crispy on the outside, soft and naturally sweet inside, and coated in a glossy honey-soy caramel glaze. Finished with black and white sesame seeds and fresh mint, they make an easy Japanese-inspired dessert or snack ready in just 30 minutes.
Prep Time 10 minutes mins
Cook Time 20 minutes mins
Total Time 30 minutes mins
Course Dessert, Snack
Cuisine Japanese
- 2 medium (about 500 g) medium (about 500 g)Japanese sweet potatoes
- 2 tbsp Vegetable oil
- 4 tbsp Sugar
- 1 tbsp Honey
- 1 tsp Soy sauce
- 1 tbsp Water
- 1 tsp Black sesame seeds
- 1 tsp White sesame seeds
- Fresh mint For garnish
Prepare the sweet potatoes: Wash and scrub the Japanese sweet potatoes. Cut them into bite-sized chunks, leaving the skin on.
Cook: Heat the oil in a large skillet over medium heat. Add the sweet potato pieces and cook for 12–15 minutes, turning occasionally, until golden brown and tender.
Make the glaze: Reduce the heat to low. Add the sugar, honey, soy sauce, and water. Stir gently until the sugar melts and forms a glossy amber glaze.
Coat: Toss the sweet potatoes continuously for 2–3 minutes until every piece is evenly coated and shiny.
Finish: Transfer to a serving plate. Sprinkle with black and white sesame seeds.
Serve: Garnish with fresh mint and allow the glaze to cool for a few minutes so it becomes slightly crisp.
Recipe Notes
Keep the heat low when making the glaze to prevent the sugar from burning.
For an extra-crispy coating, let the glazed potatoes sit undisturbed for 5–10 minutes before serving.
Japanese sweet potatoes work especially well because their naturally sweet, creamy interior contrasts with the crisp caramelized coating.
Pro Tip: For the classic Daigaku Imo texture, aim for a crisp, glass-like caramel exterior with a soft, fluffy center.