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Close-up of a bowl filled with glazed mushrooms, pearl onions, and herbs, a perfect veggie sides recipe.

Roasted Mushrooms with Shallots and Thyme

Discover a simple yet flavorful roasted mushroom side dish that's perfect for busy weeknights. This recipe is designed for easy preparation and can be made ahead, making it a go-to for healthy and delicious meals.
Prep Time 15 minutes
Cook Time 25 minutes
Cooling Time 10 minutes
Total Time 50 minutes
Servings: 4 servings
Course: Side Dish
Cuisine: American

Ingredients
  

For the Mushrooms
  • 4 pound mushrooms combination of crimini, royal trumpet, maitake, and oyster mushrooms recommended
  • 1 tablespoon grapeseed oil
  • 1/2 teaspoon salt
  • 1/4 teaspoon freshly ground black pepper
For the Flavoring
  • 2 cloves garlic minced
  • 1/2 pound shallots cleaned and sliced thin
  • 1 tablespoon olive oil
  • 2 tablespoons chopped fresh thyme
  • 1/4 teaspoon cayenne pepper
  • 2 teaspoons red wine vinegar

Equipment

  • Baking sheet
  • Large bowl

Method
 

  1. Preheat your oven to 400°F (200°C). Clean the mushrooms and cut them into bite-sized pieces. If using larger mushrooms like royal trumpet or maitake, you may need to tear them into smaller pieces.
  2. In a large bowl, toss the mushrooms with grapeseed oil, salt, and black pepper until evenly coated.
  3. Spread the mushrooms in a single layer on a baking sheet. Roast for 15-20 minutes, or until they begin to brown and release their moisture.
  4. While the mushrooms are roasting, prepare the flavoring. In a small bowl, combine the minced garlic, sliced shallots, olive oil, chopped thyme, cayenne pepper, and red wine vinegar. Stir well.
  5. Once the mushrooms have roasted for the initial time, remove them from the oven and add the shallot mixture. Toss everything together to coat the mushrooms evenly.
  6. Return the baking sheet to the oven and continue roasting for another 10-15 minutes, or until the mushrooms are tender and slightly caramelized, and the shallots are softened.
  7. Remove from the oven and let cool slightly before serving. This dish can be made ahead and stored in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop or in the oven.

Notes

This roasted mushroom dish is versatile and pairs well with a variety of main courses. For make-ahead convenience, prepare the entire dish and store it in the refrigerator. When ready to serve, you can gently reheat it on the stovetop over low heat or in a moderate oven. This method ensures you have a delicious and healthy vegetable side ready even on your busiest nights.

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