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Roasted Mushrooms with Garlic and Thyme

Roasted Mushrooms with Garlic and Thyme are oven-roasted until deeply golden, with garlic butter and fresh thyme for a fragrant finish. The high-heat roasting process drives off moisture so the mushrooms brown instead of steam, then a lemon-parsley drizzle brightens every bite.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Course: Side Dish
Cuisine: French-inspired
Calories: 345
Ingredients Equipment Method Notes

Ingredients
  

Roasted mushrooms base
  • 1.5 lb cremini mushrooms Halved.
  • 3 tbsp olive oil
  • 4 clove garlic Minced.
  • 1 tbsp fresh thyme leaves
  • 0.5 tsp salt
  • 0.25 tsp black pepper
  • 2 tbsp butter
  • 1 tbsp fresh lemon juice
  • 2 tbsp fresh parsley, chopped

Equipment

  • 1 sheet pan

Method
 

Roast the mushrooms
  1. Preheat oven to 425F and position a rack in the center. This ensures fast browning for the mushrooms.
  2. Toss halved cremini mushrooms with olive oil, salt, and black pepper, then spread in a single layer on a sheet pan. Keep them spaced so they roast instead of steam.
  3. Roast for 15 minutes at 425F until mushrooms release their liquid and begin to brown, visible at the edges. You should see bubbling from the released moisture and early caramel color.
  4. Add minced garlic, fresh thyme leaves, and butter to the hot mushrooms, then toss to coat. Stir so the butter melts and coats the mushrooms evenly.
  5. Roast for 8-10 minutes more at 425F until deeply golden, with darker browned spots and a glossy garlic-butter sheen. Taste-test for doneness by checking that the mushrooms look caramelized, not pale.
  6. Drizzle with fresh lemon juice and sprinkle with fresh parsley, then serve hot. The herbs should look bright green against the browned mushrooms.

Notes

For maximum browning, don’t crowd the sheet pan—use a single layer so steam can escape; if needed, use two pans. Store leftovers in an airtight container in the refrigerator up to 3 days; reheat in a 425F oven for 5-8 minutes to refresh texture. Freezing isn’t recommended because mushrooms soften after thawing. For a dairy-free swap, use olive oil instead of butter (or a plant-based butter) while keeping the garlic and thyme the same.