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### **2. Make the French Onion Au Jus**
– In a skillet, melt butter over medium heat. Add sliced onions and sugar, stirring often.
– Cook slowly for 20–30 minutes until golden and caramelized.
– Add wine to deglaze the pan, scraping up brown bits.
– Stir in beef broth, thyme, and Worcestershire sauce. Simmer for 10–15 minutes until slightly reduced.
– Strain if desired for a smoother au jus, or leave onions in for texture and flavor.
### **3. Serve Like a Pro**
– Slice the tenderloin into medallions.
– Spoon warm French onion au jus over the top.
– Garnish with extra herbs or crispy fried onions if you’re feeling fancy.
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## 🍷 **Pairing Suggestions**
– **Wine:** A bold **Cabernet Sauvignon**, **Bordeaux**, or **Syrah** will complement the richness perfectly.
– **Sides:** Try it with roasted garlic mashed potatoes, haricots verts (French green beans), or a simple arugula salad with balsamic glaze.
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## 💬 **Pro Tips for Perfection**
– Let the beef come to room temp before cooking—it ensures even roasting.
– Don’t skip the resting time after roasting! It locks in those flavorful juices.
– Make the au jus a day ahead and reheat—flavors deepen beautifully.
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## 👨🍳 **Final Thoughts**
**Roasted Beef Tenderloin with French Onion Au Jus** is a luxurious, flavor-packed main dish that feels like something straight off a French bistro menu—but made right in your own kitchen.
It’s perfect for holidays, celebrations, or whenever you want to treat yourself and your loved ones to something unforgettable.
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Hungry for more elegant yet easy recipes? I’ve got you covered—from side dishes to desserts that pair perfectly with this meal. Just ask! 🥂🍽️✨
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