Garlic Butter Mushrooms & Onions
If you’re looking for a quick and delicious side dish that will elevate any dinner, then you’ve come to the right place! These Garlic Butter Mushrooms & Onions are not only incredibly flavorful but also super easy to whip up. Whether it’s a busy weeknight or a cozy family gathering, this recipe is sure to impress your loved ones and have them coming back for seconds.
What makes these mushrooms so special? It’s the combination of rich garlic, buttery goodness, and the delightful caramelization of onions that truly brings this dish to life. Plus, it’s versatile enough to pair beautifully with a variety of main courses. You’ll find yourself reaching for this recipe time and time again!
Why You’ll Love This Recipe
- Quick Preparation: This dish comes together in just 25 minutes, making it perfect for those hectic evenings.
- Family-Friendly: Everyone loves the savory flavor of garlic butter, and even picky eaters won’t be able to resist!
- Versatile Side Dish: Works wonderfully alongside chicken, fish, or as a hearty addition to any vegetarian meal.
- Simple Ingredients: You likely already have everything you need in your pantry—no complicated shopping lists here!

Ingredients You’ll Need
You’ll be pleased to know that this recipe uses simple, wholesome ingredients you can easily find at your local grocery store. Let’s gather what we need for our Garlic Butter Mushrooms & Onions!
For the Dish
- 16 ounces small button mushrooms
- 2 Tablespoons olive oil
- 4 cloves garlic (chopped or crushed)
- 1 medium onion (minced)
- 1/2 cup chicken stock or white grape juice
- Zest from 1 medium lemon
- 1 tablespoon lemon juice
- 1/2 teaspoon chili flakes (or to taste)
- 4 tablespoons butter (divided)
- 2 tablespoons chopped parsley
- Kosher salt or sea salt (to taste)
- Fresh cracked black pepper (to taste)
Variations
One of the best things about Garlic Butter Mushrooms & Onions is how flexible it can be! Feel free to get creative with these variations:
- Change Up the Mushrooms: Swap button mushrooms for cremini or shiitake for a different flavor and texture.
- Add Some Greens: Toss in a handful of spinach or kale during the last minute of cooking for added nutrients.
- Spice It Up: If you love heat, add some diced jalapeños or switch out chili flakes for cayenne pepper.
- Herb Infusion: Experiment with different herbs like thyme or rosemary instead of parsley for a new twist.
How to Make Garlic Butter Mushrooms & Onions
Step 1: Prepare the Mushrooms
Start by brushing the mushrooms clean. If their stems are dried out, trim off the bottom edges. It’s important to keep them whole, but if some are larger, feel free to cut them in half. This ensures even cooking and helps them absorb all that delicious butter and garlic flavor.
Step 2: Sauté the Mushrooms
In a large skillet over medium-high heat, drizzle in olive oil and add your cleaned mushrooms. Cook and stir them until they begin to brown and caramelize—this should take about 3-5 minutes. Browning gives them a wonderful depth of flavor that is simply irresistible!
Step 3: Add Garlic and Onions
Once your mushrooms are golden brown, toss in 2 tablespoons of butter along with minced onions and garlic. Stir everything together and let it cook until the onions soften and turn lightly caramelized—about another 3-5 minutes. This step is key; sautéing enhances the sweetness of the onions while infusing your dish with garlicky goodness.
Step 4: Flavor It Up
Next, pour in your choice of chicken stock or white grape juice along with lemon zest, lemon juice, and chili flakes. Allow everything to simmer for about 2 minutes until the liquid reduces slightly. This creates a lovely sauce that will coat your mushrooms perfectly.
Step 5: Finish It Off
Finally, stir in the remaining 2 tablespoons of butter and chopped parsley. Cook for an additional minute before seasoning with salt and fresh cracked black pepper to taste. Serve warm as an incredible side dish that complements any meal!
Now you’re all set! Enjoy making these Garlic Butter Mushrooms & Onions; they’re sure to become a new favorite at your table!
Pro Tips for Making Garlic Butter Mushrooms & Onions
Creating the perfect Garlic Butter Mushrooms & Onions is all about attention to detail and a few key techniques. Here are some tips to elevate your dish:
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Choose Fresh Mushrooms: Fresh button mushrooms have the best flavor and texture. Look for firm, unblemished mushrooms for the best results.
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Don’t Crowded the Pan: Give your mushrooms space in the skillet. Overcrowding prevents them from browning properly, which enhances their natural flavors.
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Adjust Seasoning to Taste: Feel free to tweak the salt, pepper, and chili flakes based on your preferences. This ensures that each bite is perfectly seasoned just for you.
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Use Quality Butter: Opt for a high-quality unsalted butter. The richness of good butter can significantly enhance the flavor of your dish.
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Experiment with Herbs: While parsley is lovely, don’t hesitate to add other herbs like thyme or rosemary for a fresh twist. They can complement the garlic beautifully and elevate the overall dish.
How to Serve Garlic Butter Mushrooms & Onions
Serving Garlic Butter Mushrooms & Onions is a delightful experience! Whether you’re hosting a dinner party or enjoying a cozy meal at home, presentation matters. Here are some creative ideas:
Garnishes
- Chopped Chives: Sprinkle fresh chives on top for a pop of color and an oniony flavor that pairs well with mushrooms.
- Lemon Zest: A little extra lemon zest can brighten the dish, adding a refreshing touch that balances the rich flavors.
- Microgreens: For an elegant finish, add a few microgreens as garnish; they not only look beautiful but also provide a delicate crunch.
Side Dishes
- Quinoa Salad: A light quinoa salad with cucumbers, tomatoes, and lemon vinaigrette complements the richness of the mushrooms while adding refreshing textures.
- Garlic Mashed Potatoes: Creamy garlic mashed potatoes pair wonderfully with these sautéed mushrooms, allowing you to soak up every bit of flavor from the dish.
- Roasted Asparagus: The slight bitterness of roasted asparagus contrasts nicely with the buttery garlic sauce, creating a balanced plate.
- Crusty Bread: Serve with slices of crusty bread or baguette to soak up some of that delicious garlic butter sauce—perfect for those who love to indulge in every last drop!
Enjoy your cooking adventure with this vibrant and flavorful recipe!

Make Ahead and Storage
This Garlic Butter Mushrooms & Onions recipe is perfect for meal prep! Not only does it come together quickly, but it also stores well, making it an excellent addition to your weekly menu.
Storing Leftovers
- Allow the dish to cool completely before transferring it to an airtight container.
- Store in the refrigerator for up to 3 days.
- Label the container with the date to keep track of freshness.
Freezing
- Let the mushrooms and onions cool completely before freezing.
- Place in a freezer-safe container or zip-top bag, removing as much air as possible.
- Freeze for up to 2 months. For best texture, consider freezing without the added butter.
Reheating
- Thaw overnight in the refrigerator if frozen.
- Reheat in a skillet over medium heat until warmed through, adding a splash of stock or water if needed.
- Alternatively, microwave in short bursts until hot, stirring occasionally.
FAQs
Here are some common questions about Garlic Butter Mushrooms & Onions that may help you!
Can I use different types of mushrooms for Garlic Butter Mushrooms & Onions?
Absolutely! Feel free to substitute button mushrooms with your favorite variety such as cremini or shiitake. Each will bring a unique flavor and texture to the dish.
How do I make Garlic Butter Mushrooms & Onions vegan?
To make this dish vegan, simply replace the butter with a plant-based alternative and use vegetable stock instead of chicken stock. You’ll still get that delicious garlic flavor!
What’s the best way to serve Garlic Butter Mushrooms & Onions?
These mushrooms and onions make a delightful side dish that pairs well with grilled meats, pasta, or even on top of toasted bread for a tasty appetizer.
How can I enhance the flavor of my Garlic Butter Mushrooms & Onions?
Consider adding herbs like thyme or rosemary for an aromatic twist. A splash of balsamic vinegar at the end can also elevate the flavors beautifully.
Final Thoughts
I hope you enjoy making this Garlic Butter Mushrooms & Onions recipe as much as I do! With its rich flavors and easy preparation, it’s bound to become a staple in your kitchen. Whether you’re whipping it up for family dinners or meal prepping for busy weekdays, this dish is sure to delight. Happy cooking!
Garlic Butter Mushrooms & Onions
If you’re in search of a quick, savory side dish that can elevate any meal, look no further than Garlic Butter Mushrooms & Onions. This vibrant recipe combines the earthy flavors of fresh mushrooms with the rich essence of garlic and buttery onions, creating a delightful medley that’s both satisfying and easy to prepare. In just 25 minutes, you can whip up this dish that’s perfect for busy weeknights or special family gatherings. Whether served alongside chicken, fish, or as part of a vegetarian feast, these Garlic Butter Mushrooms & Onions are sure to impress everyone at your table.
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Total Time: 25 minutes
- Yield: Approximately 4 servings 1x
- Category: Side Dish
- Method: Sautéing
- Cuisine: American
Ingredients
- 16 ounces small button mushrooms
- 2 Tablespoons olive oil
- 4 cloves garlic (chopped or crushed)
- 1 medium onion (minced)
- 1/2 cup chicken stock or white grape juice
- Zest from 1 medium lemon
- 1 tablespoon lemon juice
- 4 tablespoons butter (divided)
- Chopped parsley
Instructions
- Clean mushrooms and trim stems if necessary. Keep them whole or halve larger ones.
- Heat olive oil in a large skillet over medium-high heat. Sauté mushrooms until browned (3-5 minutes).
- Add 2 tablespoons of butter, minced onions, and garlic to the skillet. Cook until onions soften (another 3-5 minutes).
- Stir in chicken stock or grape juice, lemon zest, lemon juice, and chili flakes. Simmer for about 2 minutes.
- Finish with remaining butter and chopped parsley; season with salt and pepper to taste.
Nutrition
- Serving Size: 1/4 of the recipe (approximately 135g)
- Calories: 150
- Sugar: 2g
- Sodium: 220mg
- Fat: 11g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 9g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 30mg
