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Home » Holiday » Vegan Thanksgiving Recipes » Brussels Sprouts Gratin

Brussels Sprouts Gratin

October 2, 20217 Comments

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Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe! via @thiswifecooks

Brussels Sprouts Gratin ~

An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping.

Serve as a savory side dish alongside my Vegan Thanksgiving Wellington and Holiday Roasted Sweet Potatoes!

Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

Ingredients for Brussels Sprouts Gratin

  • 3/4 cup oat milk, or other mild-flavored plant milk, such as unsweetened almond
  • 1/3 cup vegan butter, melted
  • 1 pound Brussels sprouts, trimmed and shredded to 1/8-inch thickness
  • 1 cup vegan cheddar cheese, grated
  • 1 tablespoon all-purpose flour
  • 1 teaspoon garlic, minced
  • 1 teaspoon salt
  • 1/3 teaspoon dried thyme
  • 1/2 teaspoon ground black pepper
  • 1/2 cup Panko breadcrumbs
  • 1/4 cup vegan Parmesan cheese, grated
  • 1 tablespoon olive oil

How to Make Brussels Sprouts Gratin

STEP ONE: Preheat the oven to 350°F. Spray an 8×8-inch baking dish with cooking spray.

STEP TWO: In a small bowl, stir together the oat milk and melted butter. set aside.

STEP THREE: In a large bowl, combine the shredded Brussels sprouts, cheddar cheese, flour, garlic, salt, thyme, and black pepper. (Using your hands is a good way to ensure the ingredients are well combined.)

STEP FOUR: Transfer the mixture to the baking dish then pour the milk/butter mixture evenly over the top.

Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

STEP FIVE: In a small bowl, combine the breadcrumbs, Parmesan cheese, and olive oil. Sprinkle evenly over the top of the Brussels sprout mixture.

Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

STEP SIX: Bake, uncovered, for 35 minutes then serve hot.

Timesaving Tip

Pre-shredded brussels sprouts are a great way to save on prep time with this recipe! Look for them in the packaged vegetable section of your supermarket.

Storage

Cooked Brussels sprouts au gratin can be stored, covered, in the refrigerator for up to 3 days.

Can I Make Brussels Sprouts Gratin In Advance?

Yes! To prep this au gratin side dish ahead of time, just follow the recipe up until the point of baking.

The casserole can be covered and stored in the refrigerator until you’re ready to bake. At that time, simply, remove it and let the dish come to room temperature and proceed with baking.

Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

More Side Dish Recipes You’ll Love!

  • Vegan Green Bean Casserole
  • Crockpot Cheesy Potatoes
  • Brussels Sprouts with Toasted Breadcrumbs
  • Roasted Sweet Potatoes
  • Thanksgiving Cranberry Sauce

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Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

Brussels Sprouts Gratin ~ An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!

Brussels Sprouts Gratin

An easy and elegant, vegan Brussels sprouts casserole side dish made with two kinds of dairy-free cheeses, simple seasonings, and a crispy Panko breadcrumb topping. You'll love this delicious Thanksgiving side dish recipe!
5 from 10 votes
Print Pin Rate
Course: Main Course, Side Dish
Cuisine: American
Keyword: casserole, Christmas, Easter, Thanksgiving, vegan, vegetarian
Prep Time: 10 minutes
Cook Time: 35 minutes
Total Time: 45 minutes
Servings: 6
Calories: 244kcal
Author: Holly Gray
Prevent your screen from going dark

Ingredients

  • 3/4 cup oat milk or other mild-flavored plant milk, such as unsweetened almond
  • 1/3 cup vegan butter melted
  • 1 pound Brussels sprouts trimmed and shredded to 1/8-inch thickness
  • 1 cup vegan cheddar cheese grated
  • 1 tablespoon all-purpose flour
  • 1 teaspoon garlic minced
  • 1 teaspoon salt
  • 1/3 teaspoon dried thyme
  • 1/2 teaspoon ground black pepper
  • 1/2 cup Panko breadcrumbs
  • 1/4 cup vegan Parmesan cheese grated
  • 1 tablespoon olive oil

Instructions

  • Preheat the oven to 350°F. Spray an 8×8-inch baking dish with cooking spray.
  • In a small bowl, stir together the oat milk and melted butter. set aside.
  • In a large bowl, combine the shredded Brussels sprouts, cheddar cheese, flour, garlic, salt, thyme, and black pepper. (Using your hands is a good way to ensure the ingredients are well combined.)
  • Transfer the mixture to the baking dish then pour the milk/butter mixture evenly over the top.
  • In a small bowl, combine the breadcrumbs, Parmesan cheese, and olive oil. Sprinkle evenly over the top of the Brussels sprout mixture.
  • Bake, uncovered, for 35 minutes then serve hot.

Nutrition

Calories: 244kcal | Carbohydrates: 19g | Protein: 6g | Fat: 16g | Saturated Fat: 5g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 3mg | Sodium: 404mg | Potassium: 332mg | Fiber: 4g | Sugar: 4g | Vitamin A: 1147IU | Vitamin C: 64mg | Calcium: 150mg | Iron: 2mg
Tried this recipe?Mention @thiswifecooks or tag #thiswifecooks!
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Filed Under: Casseroles, Comfort Food, Easter, Holiday Favorites, Side Dishes, St. Patrick's Day, Vegan, Vegan Christmas Recipes, Vegan Thanksgiving Recipes, Vegetarian Tagged With: Christmas, comfort food, dairy-free, Thanksgiving, vegan, vegetarian

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Reader Interactions

Comments

  1. Natalia

    October 2, 2021 at 3:14 pm

    5 stars
    Thanks so much for sharing this recipe! I absolutely love brussels sprouts, especially au gratin. I think I’ll make this for dinner next week. Can’t wait to try it!

    Reply
  2. Chris

    October 2, 2021 at 7:08 pm

    5 stars
    What a delicious recipe! It is perfect for fall days! I love Brussel sprouts lately, so this recipe was perfect!

    Reply
  3. Kayla DiMaggio

    October 2, 2021 at 11:54 pm

    5 stars
    This brussels sprouts gratin was so delicious! I can’t wait to make it again for Thanksgiving! This might be my new favorite side dish!

    Reply
  4. Andrea White

    October 3, 2021 at 2:35 am

    YUM! I love a good brussels sprouts recipe! So good!

    Reply
  5. Joshua

    October 3, 2021 at 3:29 am

    5 stars
    I really enjoyed this vegan Brussels sprouts gratin! I love how creamy and cheesy it was. This will be great to serve at my next gathering!

    Reply
  6. Tavo

    October 3, 2021 at 5:32 am

    5 stars
    very yummy side dish. I love brussels sprouts season, and this recipe pays great honor to them!

    Reply
  7. Anaiah

    October 3, 2021 at 6:21 am

    5 stars
    Yuuumm! This is the perfect side dish to make for any party but I’m happy to eat it just by itself for dinner! It’s such a comforting dish. Great recipe, Holly!

    Reply

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Hi, I’m Holly! I’m a busy wife and mom. I love cooking for my family and sharing creative and flavorful plant-based recipes.

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