Heat oven to 350. Combine crumbs, sugar, butter and nutmeg. Press into 9x13 inch pan. Bake for 10 minutes; remove from oven. Mix chocolate chips with coconut and walnuts. Spread over first layer. Thin marshmallow creme with milk and vanilla. Drizzle over top. Bake additional 15 minutes. Cool before cutting into squares. Makes about 32 squares.