Introducing our Keto Hibachi-Style Sautéed Mushrooms and Onions! This dish is inspired by the traditional Japanese cooking technique and offers a flavorful twist. Our recipe combines perfectly cooked mushrooms and sautéed onions, delivering a satisfying umami taste and a delightful crunch. It's ideal for those following a keto diet or anyone who appreciates the yummy combination of onions and mushrooms. Get ready to enjoy a delicious meal in just a few simple steps!

Jump to:
- Preparation and cooking overview
- Chef's note
- 🧅 Ingredients for this hibachi mushrooms and onions recipe
- Ingredient substitutions
- Additional ingredients
- Cooking tools required
- Tool substitutes list
- How to make Hibachi Mushrooms and Onions: step-by-step guide
- Cooking methods
- Preparation steps
- Cooking instructions
- What to serve with hibachi mushrooms?
- How to make it healthier?
- Time-saving tips
- Storage and reheating instructions
- Recipe wrap-up conclusion
- Frequently asked questions
- 📖 Recipe
Preparation and cooking overview
This sautéed mushrooms and onions dish is super simple to master. All you have to do is sauté the veggies, add a splash of tamari, cook until they turn golden, and season with salt and pepper. Within 15 minutes, hibachi mushrooms will be ready to serve.
Chef's note
Add shiitake, cremini, or portobello mushrooms to elevate the flavors of these sautéed Japanese mushrooms. Feel free to add some suitable wild mushroom varieties. And here's another flavorful suggestion: add a pinch of garlic powder or a sprinkle of chili flakes to give it an extra kick.
🧅 Ingredients for this hibachi mushrooms and onions recipe
Let's make some keto hibachi mushrooms with the following simple ingredients!
Ingredient substitutions
Additional ingredients
Want to elevate the flavor profile of this healthy meal? Here are some keto-friendly optional suggestions:
Cooking tools required
To make Sauteed Mushrooms and Onions recipe, you will need the following kitchen tools:
Tool substitutes list
How to make Hibachi Mushrooms and Onions: step-by-step guide
Cooking methods
Preparation steps
- Gather all the ingredients for the recipe.
- Measure them precisely.
- Cut or dice the onions.
- Halve or quarter the mushrooms.
- Set up your cooking area.
Cooking instructions
- Melt the butter over medium-high heat in a 10″ or larger cast iron skillet.
- Add the onions and mushrooms to the large skillet. Cook for about 5 minutes, stirring frequently, then add in tamari.
- Continue to cook until the sauce almost evaporates and the mushrooms are golden brown. Don't go for overly cooked onions; keep the onions crispy, not soft.
- Season with salt and pepper to taste.
- Your umami-rich sautéed-mushrooms and onions are ready to serve.

Chef's pro tip
Avoid overcrowding the skillet with too many veggies at once. Instead, cook the vegetables in batches to ensure they cook evenly and develop a delicious caramelized exterior.
What to serve with hibachi mushrooms?
How to make it healthier?
Time-saving tips
Storage and reheating instructions
For storage
Let the hibachi mushrooms and onions cool completely, transfer them to an airtight container or resealable bag, and store them in the refrigerator for up to 3 to 4 days.
For reheating
Recipe wrap-up conclusion
Hibachi style is a remarkable Japanese cooking approach. Using common veggies, we've put a keto-friendly spin on it with our Hibachi Sautéed Mushrooms and Onions recipe. The great news? You can whip up this low-carb stir-fry right in your kitchen with one skillet. In only 15 minutes, these delectable mushrooms are ready to enjoy.
So, what are you waiting for? Give this easy mushroom side dish a try and get amazed. Also, feel free to share your creation on social media and inspire others to make this easy, simple, but flavorful dish.
Love mushrooms so much? Here are some keto mushroom recipes at CIK that you will make repeatedly!
Frequently asked questions
📖 Recipe

Sauteed Mushrooms and Onions
Ingredients
- 3 tablespoons unsalted butter dairy-free if desired
- ½ white onion thinly sliced or diced
- 8 ounces button mushrooms halved or quartered
- 3 tablespoons tamari
- ⅛ teaspoon pepper white or black
- Sea salt to taste
Instructions
- Melt the butter over medium-high heat in a 10″ or larger cast iron skillet.
- Add the onions and mushrooms to the large skillet. Cook for about 5 minutes, stirring frequently, then add in tamari.
- Continue to cook until the sauce almost evaporates and the mushrooms are golden brown. Don't go for overly cooked onions; keep the onions crispy, not soft.
- Season with salt and pepper to taste.
- Your umami-rich sautéed-mushrooms and onions are ready to serve.
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