Baked Miso Portobello Mushrooms

Today I’m excited to share my Baked Miso Portobello Mushrooms recipe with you! Juicy Portobello mushrooms marinated in a delightful blend of miso, Japanese sake, and spices, then baked to mouthwatering perfection. Trust me, this dish is a game-changer for any meal, and I can’t wait for you to experience its deliciousness!

Baked Miso Portobello Mushrooms served with sprinkle green onions and fork.

Why I Love This Recipe

Let me tell you why I’m absolutely thrilled about my Baked Miso Portobello Mushrooms recipe. It’s a simple yet flavorful dish where juicy Portobello mushrooms are infused with the rich umami goodness of miso and Japanese sake, then baked to perfection!

Crafted straight from my own kitchen, this recipe combines the natural flavors of umami with a touch of Asian-inspired marinade from my Miso Black Cod and Japanese Miso Salmon recipe, creating a sensational side dish that’s bursting with savory goodness!

Perfect for anyone seeking a fail-proof, Asian-inspired marinade for their Portobello mushrooms, this recipe can be prepped in under 2 minutes and promises to delight your taste buds with every bite. Get ready to elevate your eating experience with this easy to make Portobello mushroom recipe!

Ingredients

Ingredients

  • Portobello Mushrooms – fresh large portobello mushrooms found at a local grocery store.
  • Miso – awase brown Miso works best.
  • Japanese Sake – typically will come in a large bottle labeled junmai sake. Can also substitute with dry sherry wine or Chinese cooking wine, found at local grocery stores or Asian markets.
  • Sweetener – use your preferred sweetener.
  • Chili Powder – red ground chili pepper used to provide a little spiciness to the dish.
  • Green Onion – fresh chopped scallions used as a topping.

🥢 Miso Note

You have three miso paste options: White Miso, which is mild and sweet; Red Miso, known for its robust and salty flavor; and Brown Miso, or Awase Miso, offering a balanced blend of salty, sweet, and umami. We recommend using Awase Miso for this marinade.

Portobello mushrooms washed and cleaned.

Essential Kitchen Equipment

Directions

Step 1 Prepare the mushroom by washing it with cold water and removing the stem.

Destemmed portobello mushrooms.

Step 2 Next prepare the marinade by combining miso, Japanese sake, water, sweetener, and chili pepper in a small bowl. Brush the marinade mixture onto the portobello mushrooms and place in a ziplock for 8-12 hours in the fridge.

Marinated portobello mushrooms.

Step 3 Rinse off any excess marinade sauce from the mushrooms and pat them dry with a paper towel. Place the mushrooms stem side up on a baking sheet and bake them in the oven at 350°F for 10-12 minutes.

Baked marinated portobello mushrooms topped with green onions.

🌿 Garnishing Pro Tip

Enhance your dish with a finishing touch of freshly chopped green onions for added flavor and presentation.

Pairing Recommendations

Pair these Portabella mushrooms with complementary Japanese-inspired dishes like my protein-rich Steak Donburi Bowl or savory Garlic Miso Chicken Wings. Serve these mains with a side of Japanese Miso Eggplant Stir Fry and a comforting bowl of Tofu Miso Soup.

Portobello Mushrooms on a oven tray ready for baking.

Frequently Asked Questions

Can I bake these mushrooms in a toaster oven instead of a regular oven?

Yes, you can bake these mushrooms in a toaster oven instead of a regular oven. In fact, I prefer using a toaster oven because it has shorter preheating times, making it a convenient option for cooking these delicious Portobello mushrooms.

How long should I marinate the Portobello mushrooms for optimal flavor?

For optimal flavor, it's best to marinate the Portobello mushrooms for ideally 8-12 hours. This allows the mushrooms to fully absorb the flavors of the marinade, resulting in a more flavorful and delicious dish.

Can I grill the Portobello mushrooms instead of baking them?

Yes, you can grill the Portobello mushrooms instead of baking them. Simply preheat your grill to 350°F and place the mushrooms on the grill grates under indirect heat. Grill for 10-12 minutes until the mushrooms are tender and cooked through, then serve and enjoy!

 

Baked Miso Portobello Mushrooms served with sprinkle green onions and fork.

Storage Tips

To store, place them in an airtight container and keep in the fridge. They’ll stay fresh for 3-5 days.

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Watch How To Make It

Baked Miso Portobello Mushrooms served with sprinkle green onions and fork.

Baked Miso Portobello Mushrooms

Indulge in the irresistible flavors of Baked Miso Portobello Mushrooms! These savory delights are marinated in a mouthwatering miso glaze, creating a fusion of umami goodness.
5 from 3 votes
Course: Appetizer, Side Dish, Vegetables
Cuisine: Asian Fusion
Keyword: miso glazed mushrooms
Prep Time: 2 minutes
Cook Time: 8 minutes
Marinating Time: 8 hours
Total Time: 8 hours 10 minutes
Servings: 2
Print Recipe
Calories: 22kcal

Ingredients

  • 2 Portobello Mushrooms
  • 4 tbsp Miso awase brown miso
  • 2 tbsp Japanese Sake can substitute with dry sherry wine or Chinese cooking wine
  • 1 tbsp Water
  • 1 tsp Sweetener your preferred sweetener
  • 1/2 tsp Chili Powder
  • 1 Stalk Green Onion

Instructions

  • Gather all the ingredients.
    Ingredients for baked miso portobello mushrooms on the countertop.
  • De-stem portobello mushrooms as needed and set aside.
    Destemmed portobello mushrooms.
  • In a small mixing bowl, combine awase miso, Japanese sake, water, sweetener, chili powder and mix well. Note - depending on the exact miso brand you are using, you may need to add a little more water to achieve a ranch dressing like consistency.
    Miso marinade in a mixing bowl.
  • Evenly brush on marinade paste onto portobello mushrooms, then transfer into a ziplock bag, seal and marinate for 8-12 hours in a fridge.
    Miso marinade being brused onto portobello mushrooms.
  • After marination, wash off excess marinade from portobello mushrooms and dry with a paper towel.
    Marinated portobello mushrooms.
  • Place portobello mushrooms on a silicone baking mat or oiled sheet of aluminum foil and bake at 350F for 10-12 minutes.
    Marinated portobello mushrooms on a baking mat.
  • In the meantime, chop up green onions.
    Chopped green onions.
  • Once portobello mushrooms are done baking, slice into 1/4 inch strips, transfer it to a serving plate, sprinkle green onions on top and enjoy!
    Baked marinated portobello mushrooms topped with green onions.

Nutrition

Calories: 22kcal | Carbohydrates: 4g | Protein: 2g | Fat: 1g | Saturated Fat: 1g | Trans Fat: 1g | Sodium: 20mg | Potassium: 335mg | Fiber: 1g | Sugar: 2g | Vitamin A: 260IU | Vitamin C: 1mg | Calcium: 9mg | Iron: 1mg
*Values Based Per Serving
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5 from 3 votes (3 ratings without comment)

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