You’ve just cooked a beautiful, juicy filet mignon — perfectly seared, tender in the center, and full of rich flavor. But now you’re thinking… what to serve with filet mignon to make your dinner feel complete?

Whether you’re preparing a romantic dinner, hosting a special occasion, or simply treating yourself to something elegant, the right side dishes can truly elevate your meal. From buttery vegetables and creamy potatoes to fresh salads and bold sauces, there are plenty of tasty pairings that match the luxury of filet mignon.

In this guide, we’ve rounded up the best side dishes to serve with filet mignon — easy, elegant, and full of flavor. Let’s dive in!

1. Garlic Mashed Potatoes

Mashed potatoes and filet mignon are a match made in steakhouse heaven.

Soft, buttery, and full of roasted garlic flavor, they soak up the steak’s juices perfectly. This classic side is always a safe and satisfying choice for any fancy dinner.

2. Roasted Asparagus

Crisp, tender asparagus brings a slightly earthy flavor and beautiful green color to your plate.

Roasting it with olive oil, salt, and a squeeze of lemon keeps things simple but flavorful. It adds just the right amount of freshness next to a rich filet.

3. Creamed Spinach

If you love creamy, comforting sides, creamed spinach is a must.

It’s soft, rich, and smooth — a steakhouse favorite that pairs well with every bite of tender filet mignon. Serve it warm and creamy for a luxurious meal experience.

4. Balsamic Glazed Carrots

Roasted carrots with a balsamic glaze are sweet, tangy, and just a little crispy on the edges.

Their natural sweetness adds a nice contrast to the bold, savory flavor of filet mignon. Plus, they look beautiful on the plate.

5. Truffle Fries

Want to add a little luxury to your steak night? Truffle fries are the way to go.

Crispy on the outside, fluffy inside, and drizzled with truffle oil, they’re a gourmet version of a classic side that pairs beautifully with filet mignon.

6. Sautéed Mushrooms

Mushrooms bring deep, earthy flavor to your plate and pair naturally with beef.

When sautéed in butter, garlic, and herbs, they become rich and flavorful — the perfect complement to a juicy filet.

7. Caesar Salad

A classic Caesar salad is a cool and crunchy side that adds freshness to your filet mignon dinner.

With crisp romaine, creamy dressing, parmesan cheese, and croutons, it brings balance to the richness of the steak without stealing the spotlight.

8. Grilled Corn on the Cob

Sweet and smoky, grilled corn on the cob is a fun and flavorful side for summer steak nights.

Brushed with melted butter and sprinkled with salt or herbs, it adds just the right amount of sweetness to go with a tender filet.

9. Scalloped Potatoes

Scalloped potatoes are thin slices of potato baked in a creamy, cheesy sauce until golden and bubbly.

They’re rich, indulgent, and feel like something you’d find at a fine restaurant — a perfect partner for filet mignon on a special occasion.

10. Green Beans Almondine

This French-inspired side dish combines sautéed green beans with slivered almonds for a bit of crunch and nutty flavor.

It’s light, elegant, and easy to prepare — a simple way to dress up your steak plate.

11. Sauteed Garlic Butter Broccolini

Broccolini is a slightly sweeter, more delicate version of broccoli.

Tossed with garlic butter and lightly sautéed or roasted, it’s a fresh, flavorful side that complements the richness of filet mignon without overpowering it.

12. Caprese Salad

Made with fresh tomatoes, mozzarella cheese, basil, and a drizzle of olive oil or balsamic reduction, Caprese salad is a light and colorful side dish.

It adds brightness and a refreshing contrast to the bold, meaty flavor of the filet.

13. Herb Roasted Fingerling Potatoes

These small, buttery potatoes roast beautifully with olive oil, rosemary, thyme, and garlic.

Their crispy edges and tender centers make them a simple yet flavorful side that pairs effortlessly with filet mignon.

14. Parmesan Risotto

Creamy parmesan risotto adds a touch of elegance to your plate.

It’s rich, cheesy, and perfectly smooth — ideal for soaking up steak juices and enhancing every bite of tender filet.

15. Brussels Sprouts with Bacon

Roasted Brussels sprouts get a smoky, savory upgrade when tossed with crispy bacon.

This side is full of texture and bold flavor, making it a hearty, crowd-pleasing option for steak lovers.

16. Buttery Dinner Rolls

Sometimes, all you need is a warm, fluffy roll to round out a steak dinner.

Buttery dinner rolls are perfect for mopping up sauces and juices, and they add a comforting touch to the meal.

17. Horseradish Mashed Cauliflower

Looking for a lighter or low-carb option? Mashed cauliflower with a bit of horseradish offers creaminess and a subtle kick — a flavorful alternative to mashed potatoes that still complements filet mignon beautifully.

18. Wine-Glazed Mushrooms & Onions

Cooked down with red wine and herbs, these mushrooms and onions become rich, soft, and deeply flavorful.

They act like a built-in sauce for filet mignon, making each bite more delicious and satisfying.

Summary

Filet mignon is a star on its own, but the right side dishes make it shine even brighter. Now that you know what to serve with filet mignon, you can build a plate that’s elegant, delicious, and perfectly balanced.

From buttery classics and roasted vegetables to fresh salads and indulgent comfort foods, there’s something here for every mood and occasion.

Try a few pairings, mix things up, and enjoy a meal that feels just as fancy as a restaurant — right at home.