HORSERADISH SOUR CREAM SAUCE FOR BEEF TENDERLOIN RECIPES

Steps:

• For the beef tenderloin: Preheat the oven to 500 degrees F.
• Place the beef tenderloin on a baking sheet, drizzle with the olive oil and season liberally with salt and pepper. Rub the oil and seasoning evenly over the meat.
• Roast the tenderloin until an internal thermometer reads 125 to 130 degrees F for rare to medium rare, about 20 minutes. Remove from the oven, tent with aluminum foil and let rest until it reaches room temperature, at least 20 minutes. Transfer to a cutting board and thinly slice.
• For the crostini: Turn down the oven temperature to 400 degrees F.
• Put the baguette slices on a baking sheet in 1 layer. Drizzle with the olive oil and sprinkle with salt and pepper. Bake until golden brown and toasted, about 5 minutes.
• For the horseradish sauce: Add the sour cream, applesauce, horseradish, mayonnaise, breadcrumbs and chives to a medium bowl and mix until combined. Season with salt and pepper.
• To assemble: Spread a dollop of horseradish sauce onto each toasted baguette piece, add a slice of beef tenderloin and then top with another dollop of horseradish sauce and a few watercress leaves.

Steps:

• In a large skillet, brown beef in 1 tablespoon oil. Remove and keep warm., In same skillet, saute mushrooms and shallots in remaining oil until tender. Add garlic; cook 1 minute longer. Add sherry, stirring to loosen browned bits from pan. Stir in cream, salt and pepper. Bring to a boil; cook until liquid is almost evaporated, about 7 minutes. Stir in beef and parsley; set aside and keep warm., Preheat oven to 400°. On a lightly floured surface, unfold puff pastry. Roll each sheet into a 12-in. square. Cut each into 16 squares. , Place 2 tablespoonfuls of beef mixture in center of half of squares. Top with remaining squares; press edges with a fork to seal. Place on parchment-lined baking sheets. Cut slits in top; brush with egg. Bake until golden brown, 14-16 minutes. , In a small bowl, combine horseradish cream ingredients; serve with appetizers. Garnish with additional chives if desired.