Beef Wellington Appetizers | Reader's Digest Canada

Ingredients

• 2 beef tenderloin steaks (cut into 1/2-inch cubes, 8 ounces each)
• 2 tbsp olive oil (divided)
• 1-1/4 cups chopped fresh mushrooms
• 2 shallots (chopped)
• 2 garlic cloves (minced)
• 1/3 cup sherry or chicken broth
• 1/3 cup heavy whipping cream
• 1/2 tsp salt
• 1/8 tsp pepper
• 1 tbsp minced fresh parsley
• 1 package frozen puff pastry (thawed, 17.3 ounces)
• 1 large egg (beaten)
• 1 cup sour cream
• 1/2 cup mayonnaise
• 2 tbsp prepared horseradish
• 1 tbsp minced chives
• 1/4 tsp pepper
• Additional minced chives (optional)