Onion-Spinach Stuffed Beef Tenderloin Recipe - BettyCrocker.com

Ingredients

• 1 tablespoon olive oil
• 1 tablespoon butter
• 1 large onion, thinly sliced
• 2 cloves garlic, finely chopped
• 3 cups fresh baby spinach leaves
• 2 teaspoons chopped fresh thyme leaves
• 1 teaspoon salt
• 1 teaspoon freshly ground pepper
• 2 lb beef tenderloin, trimmed of fat
• 2 tablespoons butter
• 1 shallot, finely chopped (2 tablespoons)
• 1/2 cup brandy
• 2 cups whipping cream
• 2 teaspoons Dijon mustard
• 2 teaspoons lemon juice
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground pepper