PreparationFor sauce: Heat oil in large saucepan over medium-low heat. Add shallots and garlic; sauté until tender, about 10 minutes. Stir in sugar; sauté until shallots are golden, about 15 minutes longer. Add flour, herbs, orange peel, nutmeg and cloves; stir 1 minute. Pour in broth, wine and brandy. Boil until sauce is reduced to 1 3/4 cups, about 20 minutes. Discard bay leaf. (Can be made 2 days ahead. Chill.) For tenderloin: Grind first 10 ingredients in processor. With machine running, add oil and blend well. Spread mixture evenly over all sides of tenderloins. Place beef in large glass baking dish. Cover with foil; chill at least 6 hours. (Can be made 1 day ahead. Keep chilled.) Preheat oven to 400°F. Place beef on rack in large roasting pan. Roast until meat thermometer inserted into center of beef registers 125°F for rare, about 35 minutes. Remove from oven and cover with foil; let stand 10 minutes. Transfer beef to cutting board. Pour any accumulated juices from roasts into sauce. Bring sauce to boil. Remove from heat; whisk in butter. Season with salt and pepper. Slice beef. Serve with sauce.
PreparationFor sauce: Heat oil in large saucepan over medium-low heat. Add shallots and garlic; sauté until tender, about 10 minutes. Stir in sugar; sauté until shallots are golden, about 15 minutes longer. Add flour, herbs, orange peel, nutmeg and cloves; stir 1 minute. Pour in broth, wine and brandy. Boil until sauce is reduced to 1 3/4 cups, about 20 minutes. Discard bay leaf. (Can be made 2 days ahead. Chill.) For tenderloin: Grind first 10 ingredients in processor. With machine running, add oil and blend well. Spread mixture evenly over all sides of tenderloins. Place beef in large glass baking dish. Cover with foil; chill at least 6 hours. (Can be made 1 day ahead. Keep chilled.) Preheat oven to 400°F. Place beef on rack in large roasting pan. Roast until meat thermometer inserted into center of beef registers 125°F for rare, about 35 minutes. Remove from oven and cover with foil; let stand 10 minutes. Transfer beef to cutting board. Pour any accumulated juices from roasts into sauce. Bring sauce to boil. Remove from heat; whisk in butter. Season with salt and pepper. Slice beef. Serve with sauce.