Embark on a culinary adventure today as we delve into the heart of local mushroom cultivation with a behind-the-scenes look at River City Shiitake farm, culminating in the mouthwatering recipe for my favorite Mongolian Shiitake Mushroom Bowls.
This post is proudly sponsored by New Seasons Market, a true champion of local producers. All thoughts and opinions expressed are authentically my own. For full transparency, please refer to my disclosure and privacy policy here.

Crafting the Perfect Plant-Based Mongolian Shiitake Mushroom Bowls
The Pacific Northwest has truly outdone itself this Fall. With an unusual stretch of mild, sun-drenched days, the weather has sparked a delightful sense of culinary exploration in my kitchen. This season’s vibrant energy has inspired me to create something truly special, something that perfectly captures both comfort and adventure: these incredible Mongolian Shiitake Mushroom Bowls.
This recipe is a labor of love, drawing inspiration from one of the most beloved dishes on my site: my renowned Orange Cauliflower. Just as that recipe reimagines Orange Chicken into a healthier, plant-based marvel, these Mongolian Shiitake Mushroom Bowls offer a delightful vegan twist on the classic Chinese-American favorite, Mongolian Beef. The ingenious idea of substituting beef with the earthy, satisfying texture of shiitake mushrooms was sparked by the brilliant Sticky Shiitake Mushroom recipe from Bosh TV. It was an instant revelation, proving that plant-based alternatives can not only mimic, but often elevate, traditional flavors and textures.
But why shiitake mushrooms, you might ask? Because when it comes to finding a robust, flavorful, and satisfying plant-based alternative to meat, shiitake mushrooms are simply unparalleled. Their inherent umami depth and firm, chewy density provide a mouthfeel that genuinely satisfies any meat craving. Unlike many meat substitutes that require extensive processing or complicated preparation, shiitakes are natural powerhouses, offering incredible flavor and texture with minimal fuss. This makes them a hero ingredient in my kitchen, allowing me to create dishes that are not only delicious but also simpler to prepare, produce less mess, and significantly reduce our ecological footprint.

Today, it’s an absolute honor to partner with New Seasons Market, a grocery store deeply committed to sourcing fresh, local produce and supporting regional farmers. They’ve allowed me to take you directly to the source, showcasing where some of Portland’s finest locally grown mushrooms come from: the remarkable River City Shiitake farm. This partnership isn’t just about sharing a recipe; it’s about celebrating the journey of our food, from the dedicated hands that cultivate it to the vibrant dishes it inspires on our tables.

A Deep Dive into Local Cultivation: Touring River City Shiitake Mushroom Farm
My visit to River City Shiitake was an incredibly enlightening experience, a true testament to the passion and dedication behind local food production. Upon my arrival, I was greeted by Mary, the visionary owner of River City Shiitake. Mary, alongside her four dedicated employees, meticulously manages this thriving local operation. Their commitment to quality is evident in their primary sales channel: an impressive 90% of their meticulously grown product is supplied directly to New Seasons Market, ensuring that the freshest, most flavorful shiitake mushrooms reach local consumers.
While the farm’s main focus is, as its name suggests, exceptional shiitake mushrooms, Mary and her team are also constantly innovating. They’ve been enthusiastically experimenting with other varieties, notably the unique and sought-after Maitake mushrooms, further expanding their expertise and offerings. This spirit of innovation, combined with a deep respect for the natural world, truly sets River City Shiitake apart.
During the tour, Mary generously shared a wealth of fascinating insights into the intricate science and meticulous steps involved in their mushroom growth process. Her knowledge and enthusiasm were infectious, transforming what might seem like a simple agricultural process into a captivating journey through mycology.

Here are some of the most compelling notes I jotted down, eager to share these remarkable facts with you:
- The journey of a shiitake mushroom at River City begins in specially formulated plastic bags, filled with a precise mixture of nutrient-rich oak sawdust and grains. This substrate provides the perfect environment for the mycelium – the vegetative part of the fungus – to colonize and thrive, laying the groundwork for future mushroom growth.
- Over several weeks, this mixture consolidates, forming dense, compacted “bricks.” These blocks serve as the foundation from which the shiitake mushrooms will eventually emerge, pushing their way through the substrate in a truly miraculous display of nature’s power.
- The entire growth process, from the initial inoculation of the substrate to the final harvest of mature mushrooms, spans approximately 16 weeks. This extended cultivation period highlights the patience and precision required, underscoring that quality growth cannot be rushed.
- River City Shiitake specifically cultivates a unique variety of shiitake mushrooms renowned for their distinctively thicker, meatier texture and a deeper, darker cap. This particular strain offers a more robust flavor profile and a more satisfying chew compared to many commercially available shiitakes, making them a premium choice for any culinary application.
- Remarkably, River City Shiitake stands as one of only a handful of farms that continue to grow this specific, challenging variety. Their dedication to cultivating such a demanding strain speaks volumes about their commitment to producing exceptional quality and their expertise in overcoming complex agricultural hurdles.
At one point during our immersive tour, we stepped into one of the farm’s grow rooms. The contrast with the crisp Autumn day outside was striking; the room was surprisingly warm and humid. When I inquired if the space was actively heated, Mary shared an astounding fact: the mushrooms themselves were generating enough metabolic heat to maintain the room at a comfortable 70 degrees Fahrenheit, entirely on their own! This incredible revelation truly brought home the idea that these are not just crops, but living, breathing organisms, each contributing to a vibrant, self-sustaining ecosystem within the farm. It was a powerful moment that deepened my appreciation for the intricate biology at play.
I walked away from River City Shiitake not only with a basket full of the freshest mushrooms but with a profound and renewed appreciation for the immense hard work, scientific understanding, and sheer dedication that goes into cultivating every single mushroom. It’s a reminder of the vital connection between dedicated farmers and the food that nourishes us.
If you are ever presented with the extraordinary opportunity to take a local farm tour, whether it’s for mushrooms, vegetables, or any other produce, I urge you to seize it! It offers an invaluable perspective on our food systems and fosters a deeper respect for the people and processes that bring food to our tables.




Now, let’s bring the magic of these incredible shiitake mushrooms into your own kitchen with this satisfying and flavorful recipe.
Happy cooking!
Salima
Print Recipe
Mongolian Shiitake Mushroom Bowls
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- Author: Salima Benkhalti
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: 2 servings
- Category: Dinner, Vegan Main Course
- Method: Stovetop, Pan-Fried
- Cuisine: Asian-Inspired, Chinese-American
Description
A delicious and savory plant-based twist on a classic, inspired by Bosh TV’s Sticky Shiitake Mushrooms and my popular Orange Cauliflower recipe. Perfect for a quick, healthy, and satisfying meal.
Ingredients
Scale
- 2 cups shiitake mushrooms, stems removed and sliced
- 1 tbsp cornstarch
- 1 tbsp olive oil (for frying mushrooms)
- 2 tsp olive oil (for sauce aromatics)
- 1 tbsp minced garlic (about 4 large cloves)
- 1 tbsp minced fresh ginger
- 1 tsp minced red hot chili pepper (adjust to taste for heat)
- 1 tbsp brown sugar
- 2 tsp cornstarch (for sauce thickening)
- 1 tbsp sambal chili sauce
- 1/2 cup coconut aminos (or low-sodium soy sauce)
- 3 tbsp rice vinegar
- 2 cups cooked rice, for serving
Optional Garnish Ideas:
- Sliced green onions
- Thinly sliced cabbage
- 1 ripe avocado, diced
- Spicy mayo drizzle
- Sesame seeds
Instructions
- In a large bowl, combine the prepared shiitake mushrooms and 1 tbsp cornstarch. Toss well until the mushrooms are evenly coated. Heat 1 tbsp olive oil in a large frying pan or wok over medium-high heat. Add the coated mushrooms to the pan and cook, stirring occasionally, until they begin to brown and caramelize beautifully. This process may take 5-10 minutes. Be patient and flip the mushrooms as they achieve a golden-brown crispness on each side. Once caramelized, transfer the mushrooms back into the mixing bowl and set aside.
- Using the same frying pan (no need to clean it), reduce the heat to medium and add the remaining 2 tsp of olive oil. Toss in the minced garlic, minced ginger, and minced red hot chili pepper. Sauté these aromatics for 1-2 minutes until they become wonderfully fragrant, being careful not to burn the garlic.
- In a small separate bowl, whisk together the brown sugar, 2 tsp cornstarch, coconut aminos, sambal chili sauce, and rice vinegar until smooth. Pour this sauce mixture into the frying pan with the sautéed garlic and ginger. Stir continuously over medium heat until the sauce thickens and begins to simmer, creating a glossy, rich consistency. Once thickened, add the reserved caramelized shiitake mushrooms back into the pan. Toss everything together, ensuring the mushrooms are thoroughly coated in the delectable Mongolian sauce.
- Serve the Mongolian Shiitake Mushrooms immediately over freshly cooked rice. Elevate your bowls with an array of optional garnishes such as fresh green onions, thinly sliced crisp cabbage, creamy avocado, a drizzle of spicy mayo, or a sprinkle of sesame seeds. Enjoy this vibrant and satisfying plant-based meal!