Baked Miso Portobello Mushrooms

Miso portobello mushrooms are a delicious vegetarian and low-carb dish that features large Portobello mushroom caps marinated in a mixture of miso, Japanese sake, water, and sweetener, then baked or grilled to perfection. The addition of chili powder adds a bit of spice and depth to the dish, while the green onions provide a bright, fresh finish.

Miso portobello mushrooms are a healthy and flavorful way to enjoy a vegetarian meal that’s both satisfying and nutritious.

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

How to make Baked Miso Portobello Mushrooms?

Directions

  1. Prepare the mushroom by washing it with cold water and removing the stem.
  2. Next prepare the marinade by combining miso, Japanese sake, water, sweetener, and chili pepper in a small bowl.
  3. Brush the marinade mixture onto the portobello mushrooms and place in a ziplock for 8-12 hours in the fridge.
  4. Wash off any extra marinade sauce and dry mushrooms with a paper towel.
  5. Transfer the mushroom stem side up and bake in the oven at 350F for 10-12 minutes.
  6. Top with freshly chopped green onions!

Extra Flavors

If feeling a little adventurous, try adding some grated garlic, black pepper, and a drizzle of olive oil into the marinade for extra flavors!

What ingredients do I need to make this baked portobello mushroom recipe?

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.

Portobello mushrooms washed and cleaned.

How to store leftovers?

To store Baked Miso Portobello Mushrooms, place them in an airtight container and keep in the fridge. They’ll stay fresh for 3-5 days. When you’re ready to enjoy them again, simply reheat in the microwave.

Looking for other mushroom recipes?

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

Watch How To Make It

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

Baked Miso Portobello Mushrooms

If you're looking for a savory and flavorful dish that's both healthy and easy to prepare, look no further than this miso portobello mushrooms recipe!
5 from 2 votes
Course: Appetizer, Side Dish, Vegetables
Cuisine: Asian Fusion
Keyword: baked portobello mushrooms, how long to bake portobello mushrooms, how to marinate mushrooms, miso glazed mushrooms, portobello mushroom marinade
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.
  • De-stem portobello mushrooms as needed and set aside.
  • 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.
  • Evenly brush on marinade paste onto portobello mushrooms, then transfer into a ziplock bag, seal and marinate for 8-12 hours in a fridge.
  • After marination, wash off excess marinade from portobello mushrooms and dry with a paper towel.
  • Place portobello mushrooms on a silicone baking mat or oiled sheet of aluminum foil and bake at 350F for 10-12 minutes.
  • In the meantime, chop up 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!

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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