Step 1

Preheat oven to 400°F (200°C).

Step 2

Lightly grease a large baking sheet/pan with nonstick cooking oil spray.

Step 3

Wipe mushrooms over with a damp sheet of paper towel to clean off dirt and debris.

Step 4

In a large bowl, combine the mushrooms with the melted butter, oil, balsamic vinegar, soy sauce, garlic, parsley, thyme, brown sugar, salt and pepper. Toss to evenly coat.

Step 5

Arrange mushrooms in a single layer on prepared baking sheet.

Step 6

Roast in hot oven for 15-20 minutes, mixing them halfway through cooking, until tender.