Teriyaki Mushrooms: How to Make Glossy, Seared King Oyster Medallions

By Sarah Table

On August 2, 2026

Thick-cut seared King Oyster mushroom medallions drenched in a reflective teriyaki glaze.

Cuisine

Japanese-Inspired

Prep time

10 minutes

Cooking time

15 minutes

Total time

25 minutes

Servings

2 people

If you have been searching for a plant-based dish that rivals the texture and decadence of seared sea scallops, look no further than these Teriyaki Mushrooms. This recipe transforms humble king oyster mushrooms into thick, meaty medallions that boast a deep, mahogany char and a satisfyingly chewy bite. It is a visual and culinary masterpiece that brings the essence of Japanese-inspired comfort food straight to your dinner table.

The secret lies in the unique structure of the King Oyster (Pleurotus eryngii). Unlike other mushrooms that can become soft and spongy, these stems maintain their integrity, allowing for a high-heat sear that develops those coveted caramelized edges. Drenched in a thick, translucent, and bubbling sticky glaze, these Teriyaki Mushrooms are as beautiful to look at as they are delicious to eat.

In this guide, we will dive deep into the science of the mushroom sear, the architecture of a perfect glaze, and why this specific presentation—served in a matte charcoal ceramic bowl over fluffy rice—is the ultimate way to enjoy this umami-packed feast. Whether you are a seasoned vegan or just looking for a new way to enjoy healthy mushroom recipes, this dish will redefine your expectations of fungi.

A close-up of bubbling sticky teriyaki glaze on mushrooms with sesame seed garnish.
A highly reflective, translucent glaze is the hallmark of a great teriyaki dish.

The Signature Appeal of These Seared King Oyster Medallions

  • Textural Perfection: These Teriyaki Mushrooms offer a firm, “meaty” texture that mimics scallops or tenderloin, making them incredibly satisfying for all types of eaters.
  • High-Gloss Finish: The homemade teriyaki reduction creates a highly reflective, translucent glaze that clings to every crevice of the charred mushroom surface.
  • Visually Stunning Contrast: The deep mahogany mushrooms against the stark white of fluffy steamed jasmine rice and the vibrant green of fresh scallions create a restaurant-quality presentation.
  • Umami Bomb: By combining the natural earthy notes of the mushrooms with fermented soy and toasted sesame, we achieve a complex flavor profile that hits every taste bud.

The Essential Pantry Staples for Umami-Rich Mushroom Medallions

To achieve the result seen in our visual blueprint, you need a combination of fresh produce and foundational kitchen essentials. Every ingredient serves a structural or flavor-enhancing purpose to ensure your Teriyaki Mushrooms turn out perfectly.

King Oyster Mushrooms (approx. 1 lb / 450g): You must use the thick, central stems. Slice them into 1-inch (2.5cm) medallions to mimic the shape of sea scallops and provide enough surface area for searing.

Low-Sodium Soy Sauce (1/2 cup / 120ml): This provides the salty, fermented base for our glaze. Using low-sodium allows us to reduce the sauce into a thick syrup without it becoming overly salty.

Mirin (1/4 cup / 60ml): A Japanese rice wine that adds a subtle sweetness and that essential “gloss” to the finished sauce. It helps create the translucent, reflective quality seen in our photos.

Granulated Sugar or Honey (3 tbsp / 45g): These sugars are critical for the caramelization process. They react with the heat to create the “bubbling sticky” texture and the charred mahogany edges.

Fresh Garlic and Ginger (1 tbsp each / 15g): Finely grated, these aromatics infuse the oil and the sauce with a punchy, spicy depth that cuts through the sweetness of the glaze.

Neutral Searing Oil (2 tbsp / 30ml): Use avocado or grapeseed oil. These have high smoke points, allowing you to get the pan hot enough to sear the mushrooms without burning the oil.

Cornstarch Slurry (1 tsp cornstarch mixed with 2 tsp water): This is an “invisible” but vital ingredient. It ensures the sauce reaches that “thick and bubbling” consistency immediately upon hitting the pan.

Toasted White Sesame Seeds and Green Scallions: These are your heavy garnishes. The seeds add a nutty crunch, while the thinly sliced scallions provide a fresh, sharp contrast to the rich glaze.

Jasmine Rice (1 cup dry / 185g): This serves as the fluffy, steaming bed for your mushrooms, absorbing any extra glaze and providing a neutral canvas for the bold flavors.

Professional Equipment for the Ultimate Char

Achieving that specific “macro” look with deep mahogany edges requires the right tools. While a standard skillet works, a heavy-bottomed cast iron skillet is preferred for its heat retention, which is key for a consistent sear.

Alternatively, if you want to replicate the specific “air fryer” texture mentioned in our visual prompt, an Air Fryer is excellent for dehydrating the mushroom edges slightly while the center remains juicy. You will also need a fine-mesh grater for the aromatics and a small whisk to ensure your cornstarch slurry is lump-free.

Thick-cut seared King Oyster mushroom medallions drenched in a reflective teriyaki glaze.
The deep mahogany char on these medallions provides incredible depth of flavor.

Mastering the Sear: A Step-by-Step Guide to Perfection

Phase 1: Preparing the King Oyster Medallions

Clean your king oyster mushrooms with a damp cloth rather than rinsing them; mushrooms act like sponges and will absorb water, preventing a good sear. Slice the thick stems into uniform 1-inch (2.5cm) medallions. For an even more “scallop-like” look, you can lightly score a crosshatch pattern into the flat surfaces of each medallion, which helps the Teriyaki Mushrooms soak up more glaze.

Phase 2: Achieving the Mahogany Char

Heat 2 tbsp (30ml) of oil in your skillet over medium-high heat until it begins to shimmer. Place the mushroom medallions in the pan, ensuring they do not touch. Sear for 4-5 minutes per side. You are looking for a visual cue: the edges should be dark mahogany and slightly crisp. If using an air fryer, toss the medallions in 1 tbsp (15ml) of oil and air fry at 400°F (200°C) for 12-15 minutes, shaking halfway through.

Phase 3: Crafting the Bubbling Glossy Glaze

In a small bowl, whisk together the soy sauce, mirin, sugar, ginger, and garlic. Once the mushrooms are seared, pour the sauce directly into the skillet. The high heat will cause it to bubble immediately. Stir in your cornstarch slurry and watch as the sauce transforms from a thin liquid into a highly reflective, thick coating that clings to the Teriyaki Mushrooms.

Phase 4: The Final Garnish and Assembly

Transfer the mushrooms to a minimalist matte charcoal ceramic bowl filled with steaming jasmine rice. Pour the remaining sticky glaze from the pan over the top. Immediately finish with a heavy spray of toasted white sesame seeds and a handful of thinly sliced green scallions. The heat from the rice will gently wilt the scallions, releasing their aroma.

Expert Tips for Success with Teriyaki Mushrooms

  • Don’t Crowd the Pan: If the mushrooms are too close together, they will steam instead of sear. Work in batches to maintain that “charred edge” visual.
  • Control the Sugars: If the glaze starts to look too dark too quickly, add a tablespoon of water. The goal is “sticky and translucent,” not “burnt and bitter.”
  • Balance the Salt: If your sauce tastes too salty, a tiny squeeze of fresh lime juice can brighten the flavors and balance the umami.
  • Wait for the Sizzle: Never add mushrooms to a cold pan. You should hear a loud sizzle the moment the mushroom touches the oil to ensure the Maillard reaction begins immediately.

How to Store and Reheat Your Leftovers

While Teriyaki Mushrooms are best enjoyed fresh to maintain that “crisp edge” texture, they can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, avoid the microwave, as it will make the mushrooms rubbery. Instead, place them in a skillet over medium heat with a splash of water to loosen the glaze until they are warmed through and the sauce is bubbling again.

We do not recommend freezing this dish, as the cellular structure of the king oyster mushroom will break down upon thawing, resulting in a soft, watery texture that loses the “scallop-like” appeal.

The Ultimate Flavor Pairings to Complete Your Meal

While these mushrooms are a star on their own, they pair beautifully with other textured dishes. For a full plant-based spread, try serving them alongside roasted cauliflower steaks or a crisp fresh spinach salad.

If you aren’t following a strictly vegan diet, these Teriyaki Mushrooms make an incredible side dish for parmesan crusted salmon or even alongside a classic steakhouse-style side. The sweetness of the teriyaki also pairs surprisingly well with a strawberry margarita for a fun, fusion-style happy hour.

Frequently Asked Questions

Yes! Toss the medallions in oil and air fry at 400°F for 12-15 minutes until charred, then toss them in the thickened sauce in a separate bowl or pan.

King Oyster mushrooms are preferred for their meaty stem and scallop-like texture. However, you can use large Cremini or Portobello caps, though they will be softer and won’t have the same ‘medallion’ appearance.

The gloss comes from the mirin and the reduction of sugars. The thickness is achieved by adding a cornstarch slurry at the very end, which causes the sauce to bubble and cling to the mushrooms.

To make these Teriyaki Mushrooms gluten-free, simply swap the soy sauce for tamari or liquid aminos. Ensure your mirin is also certified gluten-free.

No, avoid washing them under running water. Mushrooms absorb moisture quickly, which prevents them from getting those charred, caramelized edges. Instead, wipe them with a damp paper towel.

The Ultimate Teriyaki Mushrooms Recipe

Thick-cut seared King Oyster mushroom medallions drenched in a reflective teriyaki glaze.

Teriyaki Mushrooms: How to Make Glossy, Seared King Oyster Medallions

These Teriyaki Mushrooms feature thick King Oyster medallions seared to mahogany perfection and drenched in a glossy, sticky glaze. A meatless meal that mimics the texture of scallops, served over fluffy jasmine rice.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 2 people
Course: Dinner, Lunch
Cuisine: Japanese-Inspired
Calories: 285

Ingredients
  

Ingredients
  • 1 lb King Oyster Mushrooms stems sliced into 1-inch medallions
  • 2 tbsp Neutral Searing Oil avocado or grapeseed oil
  • 1/2 cup Low-Sodium Soy Sauce
  • 1/4 cup Mirin
  • 3 tbsp Granulated Sugar or honey
  • 1 tbsp Fresh Ginger finely grated
  • 1 tbsp Fresh Garlic finely grated
  • 1 tsp Cornstarch mixed with 2 tsp water
  • 2 cups Steamed Jasmine Rice for serving
  • 1 tbsp Toasted White Sesame Seeds
  • 2 stems Green Scallions thinly sliced

Equipment

  • 1 Heavy-bottomed skillet or Cast Iron
  • 1 Air Fryer (optional)

Method
 

Preparation
  1. Clean King Oyster mushrooms with a damp cloth and slice the stems into 1-inch (2.5cm) thick medallions.
  2. Whisk together soy sauce, mirin, sugar, garlic, and ginger in a small bowl.
Cooking
  1. Heat oil in a heavy skillet over medium-high heat. Sear medallions for 4-5 minutes per side until a deep mahogany crust forms.
  2. Pour in the sauce mixture and the cornstarch slurry. Stir constantly until the glaze is thick, bubbling, and translucent.
  3. Serve the glazed mushrooms over a bed of jasmine rice. Garnish heavily with sesame seeds and sliced green scallions.

Notes

Use a damp cloth instead of washing mushrooms to ensure a perfect sear.
Score the surface of the mushrooms for better glaze absorption.
Macro top-down view of Teriyaki Mushrooms over jasmine rice with sesame seeds and scallions in a charcoal bowl.
The perfect Teriyaki Mushrooms: thick, glossy, and charred to perfection.

Closing & Call to Action

There you have it—a restaurant-quality dish that brings professional culinary techniques into your home kitchen. These Teriyaki Mushrooms prove that with the right sear and a perfectly reduced glaze, vegetables can truly take center stage. The combination of the mahogany char, the glossy sauce, and the fluffy jasmine rice creates a sensory experience that is hard to beat.

If you made this recipe, I would love to hear from you! Leave a comment below and let me know how your sear turned out. Don’t forget to share your beautiful creations on Pinterest and tag me! For more mushroom inspiration, check out my easy garlic mushrooms or this decadent savory mushroom toast. Happy cooking!

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