Sautéed mushrooms and onions are the perfect, versatile side dish! With just a few simple ingredients, sautéed mushrooms and onions pair perfectly with grilled steak, as a juicy burger topping, or as a savory side dish for any protein. They’re also super easy to make and are ready in under 15 minutes. This is one of our favorite easy side dishes for steaks.
What to Put in Sautéed Mushrooms and Onions
Recipes with mushrooms require only a few simple ingredients. For this side dish recipe, you’ll need:
- 3 Tbsp. butter or olive oil
- 1 pound sliced white mushrooms
- 1 sweet yellow onion – sliced
- 1/2 tsp. salt
- 1/2 tsp. pepper
- 2 Tbsp. Worcestershire sauce
How to Make Sautéed Mushrooms and Onions
Making sautéed mushrooms and onions is so simple, you’ll be done in under 15 minutes from start to finish:
- In a skillet, melt the butter over medium-high heat.
- Add the mushrooms and cook for 5 minutes – they should begin to sweat and brown.
- Reduce heat to medium, add the sliced onion, salt, pepper, and Worcestershire sauce and cook for another 5-7 minutes, stirred frequently , or until the onions are soft and brown.
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- Add the mushrooms and cook for 5 minutes – they should begin to sweat and brown.
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- Reduce heat to medium, add the sliced onion, salt, pepper, and Worcestershire sauce and cook for another 5-7 minutes.
Are sautéed mushrooms and onions healthy?
Mushrooms are packed with nutritional value, from fiber and protein to important nutrients like Vitamin B and D.
They’re also a great source of protein for those on a plant-based diet. Onions are low in calories and also contain fiber and important nutrients.
Sautéeing mushrooms and onions in butter does not overly saturate them, so they’re still a great source of your daily vegetable intake.
Can you freeze mushrooms and onions?
Yes! You can freeze mushrooms. After sautéeing the mushrooms and onions you can let them cool, then transfer to an air-tight container and freeze for up to nine months.
To reheat, simply let them thaw in the refrigerator, then reheat in a skillet with a few tablespoons of butter over medium heat until warmed.
What goes with sautéed mushrooms and onions?
Sautéed mushrooms and onions make the perfect savory side dish. They pair well piled on top of grilled steak. They also make a great topping for your burgers, like on top of this Mushroom Swiss Burger. Or, you can simply serve them as a side dish like with this Slow Roasted Prime Rib Recipe. They’re truly one of our favorite side dish recipes.
If you’re looking for an easy side dish that’s also savory and delicious, sautéed mushrooms and onions are definitely for you. They require minimal ingredients, a short cook time, and can be frozen for later use for up to nine months! You can’t get much simpler than that! We also love shiitake mushroom recipes. Shiitake mushrooms are a great substitute in this recipe.
Love cooking plant based recipes? Try these mushroom recipes…
- Mushroom Grilled Cheese and French Onion Soup
- Vegetarian Stuffed Mushroom Recipe
- Instant Pot Risotto
- Vegetarian Stuffed Mushroom Recipe
- Chicken Breast and Mushroom Recipe
- Mushroom Grilled Cheese and French Onion Soup
- Air Fryer Mushrooms
- Mushroom Risotto Recipe
- Hungarian Mushroom Soup
- Baked Portobello Mushrooms
- Chicken and Mushroom Pie
This is one of our favorite side dishes for steak. What do you make them with? We personally love using sauteed mushrooms and onions for burgers. Let us know in the comments below!
**** PIN Sauteed Mushrooms and Onions to save for later ****
Using only a few SIMPLE ingredients, quick and easy sautéed mushrooms and onions are the PERFECT versatile side dish for steak, burgers, chicken or pork!
- 3 Tbsp. unsalted butter
- 1 pound white mushrooms sliced
- 1 sweet yellow onion sliced
- 1/2 tsp salt
- 1/2 tsp pepper
- 2 Tbsp. Worcestershire sauce
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In a skillet, melt the butter over medium-high heat, then add the mushrooms and cook for 5 minutes.
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Next, reduce heat to medium, add the sliced onion, salt, pepper, and Worcestershire. Cook for another 5-7 minutes or until the mushrooms and onions are soft and browned.
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Serve warm.
Recipe Video
RECIPE TIPS:
- If the mushrooms and onions soak up too much of the juices, you can add additional Worcestershire sauce 1 teaspoon at a time.
- Do not replace the sweet yellow onion with white or red, you want to use only a sweet yellow onion for this dish.
- You can swap in baby portobello mushrooms if preferred.
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