Cheddar-Stuffed Mushrooms

1. 1

   Preheat oven to 350 F.

2. 2

   Remove stems from mushrooms and chop stems.

3. 3

   Melt butter.

4. 4

   With a pastry brush gently brush mushroom caps all over with some melted butter.

5. 5

   Arrange caps, stemmed sides up, on a large baking sheet.

6. 6

   Lightly toast walnuts and finely chop.

7. 7

   Finely chop parsley.

8. 8

   Finely chop onion and in a large heavy skillet saute with chopped stems in remaining butter over moderately high heat until mixture is softened.

9. 9

   Remove skillet from heat and stir in remaining ingredients.

10. 10

    Divide mixture among mushroom caps, mounding it slightly.

11. 11

    Mushrooms may be stuffed 4 hours ahead and chilled, covered.

12. 12

    Bake mushrooms in middle of oven 20 minutes.

13. 13

    Serve mushrooms warm.

* Per serving · 4 servings · Values may vary.