There’s a quiet joy in discovering how much flavor can come from the simplest ingredients.
The first time I made King Oyster Mushroom Scallops, I was chasing that delicate sear and tender bite you find in fine-dining dishes but I wanted something plant-based, earthy, and easy enough for a weeknight.
When those thick mushroom rounds hit the pan, they browned and released a savory aroma that filled the kitchen. The texture turned golden and caramelized on the outside while staying juicy inside just like the sea scallops that inspired them.
Paired with a velvety garlic emulsion and a whisper of herb ash, this dish balances rustic charm with modern elegance. It’s perfect for cozy dinners, date nights, or when you want to serve something that looks restaurant-worthy but takes less than 30 minutes.
King oyster mushrooms are the true stars here meaty, satisfying, and rich in umami. They prove that a beautiful, indulgent dish doesn’t need to rely on seafood to feel special.
Table of Contents
What Makes This Recipe Special
A Vegan Take on Fine Dining – This recipe captures the look and feel of classic seared scallops while remaining completely plant-based.
Simple Ingredients, Big Flavor – You only need a handful of pantry staples mushrooms, herbs, garlic, and olive oil but the flavor tastes like something straight from a restaurant.
Herb Ash Magic – Roasting herbs into a fine powder adds depth, smokiness, and contrast. It’s that small detail that transforms a simple plate into art.
Ready in 30 Minutes – Despite its elegant look, every step is simple and approachable.
Seasonal and Adaptable – Bright with lemon for summer, warm and comforting with creamy emulsion in winter.

Ingredients You’ll Need
For the Mushroom Scallops
- 2 large king oyster mushrooms, cut into thick 1-inch rounds
- 1 tbsp olive oil
- 1 tbsp plant-based butter (or regular butter)
- Salt and freshly ground pepper to taste
- 1 tsp lemon juice
For the Garlic Emulsion
- 1 small garlic clove, minced
- ¼ cup vegetable stock or light cream (for richer version)
- 1 tsp white wine vinegar or lemon juice
- 1 tsp Dijon mustard
- 2 tbsp olive oil
- Salt to taste
For the Herb Ash
- ¼ cup fresh herbs (parsley, thyme, basil, or dill)
- Optional: zest from ½ lemon
Garnish
- Microgreens or baby herbs
- Edible flowers (optional)

Tools You’ll Need
Baking sheet • Blender or food processor • Sharp knife • Heavy skillet or cast-iron pan • Fine sieve • Tongs • Small saucepan
How to Make King Oyster Mushroom Scallops
1 – Prepare the Herb Ash
Preheat oven to 180 °C (350 °F). Spread the herbs evenly on a baking sheet and bake until dry and crisp, 8–10 minutes. Let cool completely, then blend or grind into a fine powder. Sift through a fine sieve and set aside.
You can make extra to sprinkle on soups like the Cauliflower Velouté with Truffle Foam.
2 – Cook the Mushroom Scallops
Trim the mushrooms and slice stems into thick coins. Score shallow crisscross patterns on both sides to help absorb flavor.
Heat olive oil and butter in a pan over medium-high heat. Sear mushrooms for 3–4 minutes per side until golden and tender. Season with salt, pepper, and a splash of lemon juice.
They should look deeply caramelized yet plump in the center.
3 – Make the Garlic Emulsion
Simmer the minced garlic in vegetable stock for 3 minutes until soft. Transfer to a blender with vinegar, mustard, and olive oil; blend until smooth and creamy. Season with salt and keep warm.
For extra luxury, use light cream instead of stock.
4 – To Plate
Spoon a swirl of garlic emulsion onto each plate. Arrange two or three mushroom “scallops” on top. Dust lightly with herb ash, then garnish with microgreens or edible flowers.
Serve immediately while warm.

What to Serve With It
- Beetroot Risotto with Goat Cheese Snow earthy and colorful with a touch of sweetness.
- Pumpkin and Chickpea Stew hearty and comforting for cool evenings.
- Burrata Cloud with Basil Oil light and creamy to balance the garlic tones.
- Grilled Octopus Coin a playful contrast for mixed menus.
Tips for Perfect Results
- Dry mushrooms thoroughly before cooking to get a perfect sear.
- Use a hot pan and avoid moving them too early.
- Add a touch of acid like lemon or aged balsamic for brightness.
- Serve immediately for best texture.
- Experiment with different herbs in the ash for unique flavors.
Storage Instructions
Refrigerate in an airtight container up to 3 days. Reheat in a skillet with a drop of olive oil. The garlic emulsion can be frozen for one month, though mushrooms taste best fresh.
Print
King Oyster Mushroom Scallop with Garlic Emulsion & Herb Ash
An elegant plant-based dish featuring golden-seared King Oyster Mushrooms served with a creamy garlic emulsion and a dusting of smoky herb ash. Simple ingredients, refined flavor a vegan fine-dining experience ready in just 30 minutes.
- Total Time: 30 minutes
- Yield: 2 servings 1x
Ingredients
For the Mushroom “Scallops”
- 2 large king oyster mushrooms, cut into thick 1-inch rounds
- 1 tbsp olive oil
- 1 tbsp plant-based butter (or regular butter)
- Salt and freshly ground pepper, to taste
- 1 tsp lemon juice
For the Garlic Emulsion
- 1 small garlic clove, minced
- ¼ cup vegetable stock or light cream (for a richer version)
- 1 tsp white wine vinegar or lemon juice
- 1 tsp Dijon mustard
- 2 tbsp olive oil
- Salt, to taste
For the Herb Ash
- ¼ cup fresh herbs (parsley, thyme, basil, or dill)
- Optional: zest from ½ lemon
Garnish
- Microgreens or baby herbs
- Edible flowers (optional)
Instructions
- Prepare the Herb Ash:
Preheat the oven to 180°C (350°F). Spread herbs on a baking sheet and bake until dry and crisp, 8–10 minutes.
Let cool, then grind into a fine powder using a blender or mortar and pestle. Sift and set aside. - Cook the Mushroom “Scallops”:
Slice mushrooms into thick rounds and score both sides with a shallow crisscross pattern.
Heat olive oil and butter in a skillet over medium-high heat. Sear mushrooms for 3–4 minutes per side until golden brown and tender.
Season with salt, pepper, and a touch of lemon juice. - Make the Garlic Emulsion:
Simmer garlic in stock for 3 minutes until soft. Blend with vinegar, mustard, and olive oil until smooth and creamy.
Season to taste and keep warm. - To Plate:
Spoon a swirl of garlic emulsion onto each plate.
Arrange 2–3 mushroom “scallops” neatly on top.
Dust with herb ash and garnish with microgreens or edible flowers.
Notes
- Make the herb ash and garlic emulsion in advance to save time.
- For extra richness, substitute the stock with light cream.
- Serve immediately to enjoy the perfect sear and texture.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Category: Main / Appetizer
- Method: Pan-seared
- Cuisine: Modern Vegan
- Diet: Vegetarian
Nutrition
- Serving Size: 1 plated portion
- Calories: 180 kcal
- Sugar: 2 g
- Sodium: 220 mg
- Fat: 15 g
- Saturated Fat: 3 g
- Unsaturated Fat: 11 g
- Trans Fat: 0 g
- Carbohydrates: 7 g
- Fiber: 2 g
- Protein: 4 g
- Cholesterol: 0 mg
FAQ King Oyster Mushroom Scallop
Can I make this gluten-free?
Absolutely. This recipe is naturally gluten-free as long as you double-check your mustard and vegetable stock labels. Some Dijon mustards contain malt vinegar, which can include traces of gluten, so opt for a certified gluten-free brand if you’re sensitive. The rest of the ingredients mushrooms, garlic, herbs, and oil are all naturally safe for gluten-free diets. You can even serve these “scallops” over a bed of creamy Cauliflower Velouté with Truffle Foam or gluten-free risotto for a complete meal.
Can I use regular mushrooms?
Yes, though king oyster mushrooms are the best for texture, portobellos and large shiitakes are delicious alternatives. Portobellos offer a deep, earthy flavor, while shiitakes add subtle sweetness. The key is to choose mushrooms thick enough to slice into “scallop” coins that hold their shape while searing.
What if I don’t have herb ash?
You can substitute with smoked paprika, black sesame powder, or even finely ground nori for a similar visual and smoky touch. Herb ash simply adds aroma and a striking contrast not essential, but delightful if you want that elegant finish.
Is the emulsion spicy?
Not at all. The garlic softens as it simmers, creating a creamy, mellow sauce with a bright, tangy undertone. If you prefer even less bite, roast the garlic first it becomes buttery and slightly sweet.
Can I prep ahead?
Definitely. You can make both the herb ash and garlic emulsion a day or two in advance. Keep the emulsion refrigerated in an airtight container, and bring it to room temperature before serving. The mushrooms, however, are best seared fresh that golden crust and juicy center are worth the few extra minutes.
How should I plate it?
Use a wide flat plate for the most visual impact. Spoon the garlic emulsion first, creating a smooth swirl or circle. Arrange the seared mushrooms in a neat line or cluster fewer is better for elegance. Finish with a light dusting of herb ash and a sprinkle of microgreens or edible flowers. The presentation should feel effortless yet refined, like something you’d see in a cozy restaurant with candlelight flickering nearby.
More Recipes You’ll Love
- Beetroot Risotto with Goat Cheese Snow – a creamy, comforting classic.
- Cauliflower Velouté with Truffle Foam – smooth and sophisticated.
- Pumpkin and Chickpea Stew – perfect for cool nights.
- Burrata Cloud with Basil Oil – fresh and creamy side dish.
- Grilled Octopus Coin – a striking contrast for tasting menus.
Conclusion
Every time I make these King Oyster Mushroom Scallops, I’m reminded how simple ingredients can create moments of wonder. The mushrooms turn into golden rounds that taste luxurious, the garlic emulsion adds a soft creaminess, and the herb ash brings a touch of mystery.
It’s a dish that feels like an adventure on a plate surprisingly easy, yet memorable enough to serve at any special dinner. Even the most dedicated meat-lovers pause after the first bite to ask if it’s really just mushrooms.
If you love learning from nature’s small marvels, read about the blue-ringed octopus a tiny creature that shows how beauty and power often come in unexpected forms.
I can’t wait to see how your King Oyster Mushroom Scallops turn out share your photos or tag me when you make them!



