For Walleye Cake - Combine all ingredients for walleye cake. Heat peanut oil in skillet. Shape into round cakes and fry until golden brown. For Sauce - Melt butter. Add garlic; sauté. Add brandy; sauté for 1 additional minute on high heat. Make a roux by adding flour. Add chicken stock slowly and whisk. Add remaining ingredients and reduce for 10 minutes. Ladle sauce onto a plate. Put cake in the middle of plate; garnish with parsley