Marinated mushrooms are a tasty side dish or a great choice for an appetizer. You might see them at fancy delis, upscale restaurants, or gourmet stores, but don’t let that fool you—they’re easy to make at home. In just 20 minutes, you can whip up a batch of these keto-friendly marinated mushrooms that are sure to impress.
This straightforward recipe can be doubled to serve a bigger group. The marinade is not only healthy and guilt-free but also ensures that these mushrooms will be a hit at any gathering. Plus, they’re simple to prepare, guaranteeing success even on your first try—just a bit of cooking and some marinating time. If you love mushrooms, this low-effort recipe is definitely one to keep in your rotation for when you want a special treat.
What is Needed to Make This Keto Mushroom Recipe
In addition to the ingredients, you need very little to put this recipe together. Just the following items will have you ready to enjoy these mouthwatering delicious mushrooms:
What to Serve with These Keto Mushrooms
This low carb recipe for marinated mushrooms is packed full of unique flavors that will pair well with many different main dishes. Here are some of my favorites:
Pork Chops
Try out your favorite pork chop recipe to pair with these mushrooms!
Ginger Pork
This ginger pork recipe is so good, it doesn’t need anything extra. When you pair it with these mushrooms though, it is next-level.
Brown Sugar Keto Crockpot Pork
This brown sugar crockpot pork is another pork recipe that will pair very well with these mushrooms.
Thyme Roasted Chicken
If chicken is more your style, be sure and try out this thyme roasted chicken!
Keto Chicken Meatballs
These chicken meatballs are packed full of flavor and are a great pairing for these marinated mushrooms.
What Kind of Mushrooms to Use with This Recipe
If you are wondering what type of mushrooms to use, just grab your favorite pack of mushrooms and have at it. If you need some suggestions, here are some of my favorites for this easy marinated mushroom recipe:
- Baby Bella Mushrooms
- White Button Mushrooms
- Baby Portobello Mushrooms
- Cremini Mushrooms
Are Mushrooms Keto-Friendly?
Mushrooms are perfect for a keto diet, with most varieties having around 3 grams of net carbs per cup. They are a versatile, low-carb option that complements the keto lifestyle well.
Tips for Making These Delicious Marinated Mushrooms
Use Fresh Mushrooms
Skip out on the canned or frozen option of mushrooms and stick with fresh. The freshness makes a world of difference in the taste. Trust me, fresh mushrooms are well worth the extra cost it may be.
Clean Mushrooms First
Be sure and clean your mushrooms before you start the recipe. After rinsing them, be sure to pat them dry with a paper towel.
What Are The Health Benefits of Mushrooms?
Mushrooms have many health benefits. They are rich in essential vitamins and minerals, including b vitamins, potassium, selenium and more. Because they are a low calorie and low carb food, you’ll find them to be good at not raising your blood sugar. Mushrooms are also high in fiber and protein. There are many more health benefits to mushrooms, but these are just a few.
How to Store These Marinated Mushrooms
If you have leftover marinated mushrooms, be sure to store them in an airtight container in the fridge. When stored properly, they’ll be good to enjoy for up to four days.

Marinated Mushrooms
Ingredients
- 1 pound sliced mushrooms
- 4 tablespoons olive oil
- 3 tablespoons red wine vinegar
- 2 teaspoons minced garlic
- ½ teaspoon oregano
- ½ teaspoon rosemary
- ½ teaspoon thyme
- 3 teaspoons Swerve brown sugar substitute
- Salt and pepper to taste
Instructions
- Fill a medium pot with water and add mushrooms. Make sure the water covers the mushrooms. Boil for 8-10 minutes until the mushrooms just begin to soften. Drain and dry well.
- Add the olive oil, red wine vinegar, minced garlic, oregano, rosemary, thyme, Swerve and salt and pepper to taste to a medium mixing bowl and mix well.
- Pour the mixture into a Ziploc bag and add the mushrooms.
- Marinate the mushrooms overnight and enjoy within 4 days.
Nutrition
Trina Krug is a Holistic Nutritionist, Integrative Health Coach and host of the Beyond Blood Sugar Podcast. With a Master’s Degree in Integrative Health, her single mission in life is to facilitate self-healing in herself and those around her through awareness, lifestyle shifts and low-carb eating. As a current Doctor of Science student, she continues her studies in functional nutrition.