Ingredients:1 1/4 pounds common mushrooms or chanterelles (see notes)1 slice bacon (1 oz.), chopped3/4 cup chopped onion1/2 cup chopped celery2 cloves garlic, peeled and chopped1/4 cup cognac or brandy1/3 cup dry white wine3 cups fat-skimmed chicken broth1 1/2 cups whipping creamSalt and white pepper1 package (10 oz.) frozen puff pastry shells, thawed1 large egg, lightly…