Oyster Motoyaki (Japanese Miso Baked Oysters)
Oyster Motoyaki (Japanese Miso Baked Oysters) is a medium Japanese recipe that serves 2. 350 calories per serving.
Prep: 20 min | Cook: 8 min | Total: 40 min
Cost: $86.02 total, $43.01 per serving
Ingredients
- 6 pieces Large oysters (In shell, fresh)
- 0.5 tablespoon Lemon juice (Freshly squeezed preferred)
- 0.5 tablespoon Mirin (Japanese sweet cooking sake)
- 1 tablespoon Miso paste (White (shiro) miso, low sodium preferred)
- 0.5 teaspoon Sugar
- 0.5 cup Japanese mayonnaise (Kewpie brand preferred)
- 1 dash Paprika (Optional, for heat)
- 1-2 tablespoons Panko crumbs or pork panko (Optional, for texture)
- 1 sheet Aluminum foil (For lining baking tray)
- to taste Salt (Optional, for serving)
- as needed Lemon wedges (For serving)
Instructions
Make the miso mayo sauce
In a small bowl, combine 0.5 tbsp lemon juice, 0.5 tbsp mirin, 1 tbsp miso paste, and 0.5 tsp sugar. Mix well until smooth. Add 0.5 cup Japanese mayonnaise and a dash of paprika (optional). Mix until fully combined. Stir in 1-2 tbsp panko or pork panko if desired for texture.
Time: PT5M
Prepare and open the oysters
Place the 6 oysters (in shell) on a microwave-safe plate. Microwave on 70% power for 30 seconds to loosen shells. Carefully remove and use a knife to pry open the shells. Run the knife along the top edge to release the oyster meat. Set aside.
Time: PT5M
Preheat oven and prepare baking tray
Preheat oven to 350°F (175°C). Line a small baking tray with aluminum foil, crinkling it to create a stable surface for the oyster shells to sit upright.
Time: PT3M
Temperature: 350°F
Chop oysters and assemble
Optionally, chop oyster meat into bite-sized pieces and return to the bottom shell. Arrange shells on the prepared tray.
Time: PT3M
Top oysters with sauce
Spoon 1-2 scoops of the miso mayo sauce over each oyster, covering the meat completely.
Time: PT2M
Bake oysters
Bake oysters in the preheated oven for 5 minutes.
Time: PT5M
Temperature: 350°F
Broil for golden top
Switch oven to broil. Broil oysters for 1-2 minutes, watching closely, until tops are golden and slightly blistered.
Time: PT2M
Temperature: Broil
Cool and serve
Remove oysters from oven and let cool for 1-2 minutes. Transfer to serving plate. Optionally, sprinkle salt on the plate to help keep shells upright. Serve with lemon wedges.
Time: PT2M
Cleanup
Wash all used utensils, mixing bowls, knives, cutting board, baking tray, plate, and serving utensils. Discard or compost oyster shells.
Time: PT12M
Nutrition Facts
- Calories
- 350
- Protein
- 12g
- Carbohydrates
- 10g
- Fat
- 28g
- Fiber
- 0.5g
Dietary info: Pescatarian, Low carb (if using pork panko), Dairy-free, low-carb, keto-friendly, low-calorie
Allergens: Shellfish, Egg, Soy, Gluten (if using regular panko)
Last updated: March 13, 2026






