Creamy Cheesy Brussels Sprout Bake

Welcome to the ultimate comfort food experience! This spectacular Brussels Sprout Gratin is designed to turn even the most skeptical eaters into enthusiastic fans. Featuring perfectly cooked Brussels sprouts enveloped in a rich, creamy white cheddar sauce, generously studded with crispy bacon and tender shallots, and crowned with a golden, buttery panko breadcrumb topping, this dish is nothing short of a culinary masterpiece. Whether you’re planning a cozy weeknight dinner or searching for that show-stopping side for your holiday feast, this gratin promises to be a beloved addition to your table.

Brussels Sprout Gratin, a creamy, cheesy, bacon-y side dish perfect for any occasion.

Irresistible Cheesy Bacon Brussels Sprout Gratin: A Crowd-Pleasing Side

Imagine a dish so savory and satisfying that it transforms those often-maligned Brussels sprouts into something truly extraordinary. This gratin does exactly that. The magic lies in the symphony of textures and flavors: the delicate bitterness of the sprouts perfectly balanced by the smoky, salty crunch of bacon, the sweet depth of caramelized shallots, the luxurious creaminess of melted white cheddar, and the delightful crisp of the golden-brown breadcrumbs. It’s a harmonious blend that creates an utterly addictive side dish, or even a comforting main course if you’re indulging!

Many people have a preconceived notion about Brussels sprouts, often recalling overcooked, mushy versions from childhood. But this recipe shatters those expectations. We’ve seen it happen before with our Caramelized Balsamic Glazed Brussels Sprouts, which famously converted a sprout-hating father into a devoted lover. This gratin takes that transformation a step further, bathing the sprouts in decadence. It’s proof that with the right preparation and a touch of culinary creativity, any vegetable can become a star.

While this gratin is an undeniable star as a side dish, pairing beautifully with roasted chicken, holiday ham, or a succulent steak, don’t underestimate its versatility. It makes an incredibly satisfying lunch too! Picture this: a snowy afternoon, curled up on the couch, enjoying a warm spoonful straight from the casserole dish. It’s a truly guilt-free pleasure, celebrating simple ingredients elevated to gourmet status.

Ingredients for making Brussels Sprout Gratin, including fresh sprouts, bacon, shallots, and cheese.

Essential Ingredients for Your Brussels Sprout Gratin

Crafting this incredible gratin requires a selection of fresh, high-quality ingredients that truly shine. Here’s what you’ll need to gather:

  • **Fresh Brussels Sprouts:** Approximately 1¼ pounds, crisp and green.
  • **Center Cut Bacon:** 4 slices, diced, for that essential smoky, salty crunch.
  • **Shallot:** 1 medium, finely diced, providing a delicate onion flavor.
  • **Olive Oil:** A teaspoon, for sautéing the bacon and shallots.
  • **Heavy Cream:** ⅔ cup, the foundation of our rich, creamy sauce.
  • **Sharp White Cheddar Cheese:** 6 ounces, freshly grated for superior melting and robust flavor.
  • **Panko Breadcrumbs:** ½ cup, for an extra-crispy, golden topping.
  • **Kosher Salt & Freshly Ground Black Pepper:** To season each layer perfectly.
  • **Dried Parsley (Optional):** A sprinkle for color and a hint of herbaceousness.

Choosing quality ingredients makes a noticeable difference in the final taste. Opt for fresh, firm Brussels sprouts and a good quality sharp cheddar for the best flavor profile.

A pot of salted water coming to a boil for blanching Brussels sprouts.

Step-by-Step Guide to Crafting Your Gratin

Making this Brussels Sprout Gratin is surprisingly straightforward, especially with our clear instructions. Follow these steps for a perfect, bubbling dish every time.

  1. **Preheat Your Oven:** Start by preheating your oven to 400°F (200°C). This ensures it’s ready for baking as soon as your gratin is assembled.
  2. **Boil Salted Water:** Bring a large pot of generously salted water to a rolling boil. Salting the water helps to season the Brussels sprouts from the inside out and enhances their flavor.
  3. **Sauté Bacon and Shallots:** While the water heats, warm a teaspoon of olive oil in a large sauté pan over medium heat. Add the diced bacon and medium shallot. Cook, stirring occasionally, until the bacon is beautifully crispy and the shallots are soft and have developed a lovely golden edge. Once done, remove the pan from the heat, but leave the bacon and shallots in the pan with any rendered fat – this flavorful mix will be layered into the gratin.
  4. **Prepare Brussels Sprouts:** Take your 1¼ pounds of fresh Brussels sprouts. Begin by removing any dark, tough, or loose outer leaves. These can be fibrous and less pleasant to eat. Once cleaned, set them aside.
  5. **Partially Cook the Sprouts:** Carefully add the prepared Brussels sprouts to the rapidly boiling salted water. Cook them for exactly 8 minutes. This par-cooking step is crucial; it softens the sprouts enough so they become tender in the gratin without turning mushy, and they will transform into a vibrant bright green. They should be tender-crisp, still holding a slight bite.
  6. **Stop the Cooking Process:** Immediately after 8 minutes, drain the Brussels sprouts into a colander in your sink. Rinse them thoroughly with cold water. This cold shock instantly stops the cooking process, preserving their bright green color and tender texture.
  7. **Slice the Sprouts:** Transfer the par-cooked and cooled Brussels sprouts to a cutting board. Trim off the tough stem ends, then slice each sprout vertically in half or into quarters, depending on their size. This creates more surface area for the creamy sauce and allows them to absorb more flavor.
  8. **Layer the Gratin:** Find a suitable baking dish (a 9×13 inch or similar size works well for this recipe). Arrange half of the sliced Brussels sprouts evenly at the bottom of the dish. Distribute half of the crispy bacon and tender shallots over the sprouts. Season this layer with a small pinch or two of kosher salt and a generous grind of fresh black pepper. Repeat this layering process with the remaining Brussels sprouts, bacon, shallots, salt, and pepper.
  9. **Add Cream and Cheese:** Evenly pour the ⅔ cup of heavy cream over the layered Brussels sprouts and bacon. Next, sprinkle the 6 ounces of freshly grated sharp white cheddar cheese liberally over the entire dish.
  10. **The Crispy Topping:** Finally, evenly scatter the ½ cup of panko breadcrumbs over the cheese. If desired, sprinkle with a little dried parsley and another grind of fresh black pepper for an aromatic finish. The panko will become wonderfully crisp and golden in the oven, adding a fantastic textural contrast.
  11. **Bake to Golden Perfection:** Place the baking dish on the middle rack of your preheated oven. Bake for approximately 20 minutes, or until the gratin is bubbly around the edges, the cheese is melted and gooey, and the panko topping is beautifully golden brown and crispy.

Pouring heavy cream over the Brussels sprouts and bacon in the baking dish.

The result is a gratin that’s truly simple to make, incredibly cheesy, and utterly delicious. And yes, those crispy edges are absolutely everything, especially when combined with the irresistible bacon. You know it’s going to be a hit!

Topping the Brussels sprout gratin with shredded white cheddar cheese.

While photographs sometimes struggle to capture the full, luscious creaminess of this Brussels sprout gratin, rest assured, that rich texture is absolutely there, waiting to delight your taste buds. The combination of tender sprouts, savory bacon, and a decadent cheese sauce creates a truly unforgettable side dish.

Finishing the gratin with panko breadcrumbs and a sprinkle of dried parsley and black pepper.

Tips for Gratin Perfection

  • **Don’t Overcook the Sprouts:** The 8-minute par-boil is key. You want them tender but still firm enough to hold their shape and not become mushy during baking.
  • **Freshly Grate Your Cheese:** Pre-shredded cheeses often contain anti-caking agents that can affect melting and texture. Grating your own ensures a smoother, creamier sauce.
  • **Don’t Skip the Shallots:** While subtle, shallots add a layer of sweetness and aromatic depth that complements the bacon and sprouts beautifully.
  • **Customize Your Topping:** For an extra decadent crust, you can mix a tablespoon of melted butter into your panko breadcrumbs before sprinkling them over the top.
  • **Serve Warm:** Gratin is best served warm, straight from the oven, when the cheese is perfectly melted and the topping is at its crispiest.

A freshly baked Brussels Sprout Gratin, golden and bubbly from the oven.

Serving Suggestions and Variations

This Cheesy Bacon Brussels Sprout Gratin is incredibly versatile. It’s an ideal companion for holiday roasts, such as turkey, ham, or beef Wellington. For a weeknight meal, serve it alongside roasted chicken, grilled pork chops, or a simple pan-seared steak. The richness of the gratin also pairs well with lighter main dishes, adding a comforting and satisfying element.

Feeling adventurous? Here are a few ways to customize your gratin:

  • **Cheese Swaps:** Experiment with other cheeses! Gruyere, Fontina, or a sharp aged Gouda would all be fantastic alternatives to white cheddar, each offering a unique flavor profile.
  • **Herb Infusion:** Add fresh thyme or rosemary to the cream before pouring it over the sprouts, or sprinkle fresh chives or sage along with the parsley for an aromatic boost.
  • **Spicy Kick:** A pinch of red pepper flakes in the cream or sprinkled on top can add a welcome heat.
  • **Mushroom Magic:** Sauté some sliced mushrooms with the bacon and shallots for an extra layer of umami.
  • **Nutty Crunch:** For a different texture, consider adding a sprinkle of toasted chopped pecans or walnuts to the panko topping.

Close-up shot of the creamy and cheesy interior of the Brussels Sprout Gratin.

Storage and Reheating

Leftover Brussels Sprout Gratin can be stored in an airtight container in the refrigerator for up to 3-4 days. To reheat, you can warm individual portions in the microwave, but for best results (especially to revive that crispy topping), we recommend reheating it in the oven. Cover the dish loosely with foil and bake at 350°F (175°C) until heated through, then remove the foil for the last few minutes to allow the topping to crisp up again.

Brussels Sprout Gratin with a spoonful taken out, showing the creamy texture.

This Brussels Sprout Gratin is more than just a side dish; it’s an experience. It’s the kind of recipe that brings warmth and joy to any meal, proving that simple, wholesome ingredients can be transformed into something truly spectacular with a little love and the right technique. We encourage you to give this recipe a try and discover its undeniable charm for yourself. It’s sure to become a cherished recipe in your culinary repertoire.

Enjoy! And if you give this recipe a try, we’d love to hear from you! Snap a photo and share it with us on social media.

A final close-up of the delicious Brussels Sprout Gratin.

Brussels Sprout Gratin Recipe

Brussels Sprout Gratin

This simple Brussels Sprout Gratin has crispy bacon, tender shallots and lots of white cheddar cheese. Perfect side dish to your weeknight or holiday dinner.

  • Yield: 6 servings
  • Prep Time: 35 mins
  • Cook Time: 20 mins
  • Total Time: 55 mins

Ingredients

  • 1¼ pounds fresh brussels sprouts, tough outer leaves removed
  • 1 teaspoon olive oil
  • 4 slices center cut bacon, diced
  • 1 medium shallot, diced
  • kosher salt, to taste
  • freshly ground black pepper, to taste
  • ⅔ cup heavy cream
  • 6 ounces grated sharp white cheddar cheese
  • ½ cup panko breadcrumbs

Instructions

  1. Preheat oven to 400℉ (or 200℃).
  2. Bring a pot of salted water to a boil.
  3. Meanwhile, add olive oil to a saute pan along with the bacon and shallots. Cook, stirring occasionally until the bacon is crispy and the shallots are soft with golden edges. Remove off of the heat.
  4. Add in the brussels sprouts to the boiling water and cook for 8 minutes. Drain into a colander set into your sink and rinse with cold water. Transfer to a cutting board, trim the ends and slice vertically.
  5. Place half of the sliced brussels sprouts and half of the bacon and shallots into the baking dish, season with a small pinch or two of salt and freshly ground black pepper. Repeat this with the remaining brussels, bacon, shallots, salt, and pepper.
  6. Pour the cream over the brussels sprouts and bacon, top with the grated cheese and then with breadcrumbs. Sprinkle with a little dried parsley and freshly ground black pepper.
  7. Bake on the middle rack of your preheated oven for 20 minutes, or until bubbly and golden brown on top.

Nutrition Information

Serving: 1 serving, Calories: 276kcal, Carbohydrates: 14g, Protein: 11g, Fat: 20g, Saturated Fat: 12g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 5g, Cholesterol: 58mg, Sodium: 267mg, Potassium: 438mg, Fiber: 4g, Sugar: 4g, Vitamin A: 1385IU, Vitamin C: 81mg, Calcium: 268mg, Iron: 2mg

Author: Laurie McNamara

Course: Side Dishes

Cuisine: American