Chris,
I found it! Enjoy ! Happy Holidays!

Source: Company’s Coming “Holiday Entertaining” Cookbook by Jean Pare

STUFFED MUSHROOMS

12 large mushrooms
12 mushroom stems
1/4 cup (50 ml) dry breadcrumbs
1/2 cup (125 ml) finely chopped pecans or walnuts
1/4 cup (50 ml) butter or margarine, melted
1/4 tsp. (1 ml) garlic powder
1/4 tsp. (1 ml) thyme
sliced green onions for garnish
chopped fresh parsley for garnish

Gently twist stems out of mushrooms. Set Mushroom caps aside.

Chop mushroom stems fairly fine. Mix with crumbs, nuts, butter, garlic powder and thyme. Stuff mushroom. Arrange on baking pan.

Garnish each with green onion or parsley. Bake in 350 degree F (180 C.) oven for about 20 minutes.