Perfect for a holiday feast or special occasion, this Roasted Beef Tenderloin with French Onions and Horseradish Sauce is tender, juicy, and packed with flavor. Caramelized onions and a tangy horseradish cream complement the richness of the beef beautifully, making this dish truly unforgettable.
Ingredients
1 (2 to 2.5 lb) beef tenderloin roast, trimmed
2 tablespoons olive oil
Salt and freshly ground black pepper
4 sprigs fresh thyme
3 cloves garlic, minced
2 tablespoons butter
2 large yellow onions, thinly sliced
1 tablespoon balsamic vinegar
For the Horseradish Sauce:
1/2 cup sour cream
2 tablespoons prepared horseradish
1 teaspoon Dijon mustard
1 teaspoon lemon juice
Salt and pepper to taste
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