Olive oil, for baking sheet
3 slices white sandwich bread
1 small garlic clove, coarsely chopped
1 log (5 ounces) soft goat cheese, crumbled
1/2 cup fresh parsley leaves
1/2 cup fresh spinach
1/4 teaspoon red-pepper flakes
2, 10 oz. packages white button mushrooms, stems removed
Preheat oven to 400 degrees. Lightly oil a rimmed baking sheet.
In a food processor, pulse bread and garlic until fine crumbs form; set 1/2 cup aside. To food processor, add goat cheese, parsley, and red-pepper flakes. Season with salt & white pepper, and pulse filling until combined.
Spoon filling into each mushroom, and roll filled side in reserved breadcrumbs. Place on prepared baking sheet; bake until mushrooms are tender and lightly browned, 15 to 20 minutes.