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Dishes prepared au gratin usually come with crumbly toppings, creaminess, and oven-baked deliciousness. With one of these delicious casserole dishes, you’ll surely impress your family and friends during the holiday season. To help you out, we dived deep into the Food Monster App and found these comforting au gratin recipes that will have your guests coming back for seconds.

1. Comforting Kale Pesto Casserole

This Kale Pesto Pasta Casserole is filling, delicious, and so easy to make! It has an especially savory, umami twist thanks to the addition of sun-dried tomatoes and olives. I also sautéed thin strips of eggplant in a bit of olive oil and mixed it all together with the pesto. An absolutely lovely highlight is the crust, which is made of gluten-free bread crumbs mixed with olive oil and garlic. It’s crunchy, hearty, and perfect!

2. Zucchini Gratin

This Zucchini Gratin is for those times when you crave something warm, rich, and nutritious but you don’t want to spend too much time in the kitchen. The creamy cashew sauce transforms this dish so nicely that you might just discover a new kind of love for zucchini. It’s a simple recipe that takes little time to prep for a flavorful and filling meal.

3. Ratatouille White Bean Casserole

This Ratatouille White Bean Casserole is a simplified, rustic take on ratatouille! The vegetables are tender and literally melt into the tomato sauce and mix with the creamy white bean puree – it’s pure heaven! This is definitely a lighter dinner, since it’s mostly just vegetables, so you could easy bulk it up with a grain like couscous or quinoa on the side. Or also a huge baguette of french bread— because you KNOW there’s going to be some leftover tomato juices that need some mopping up.

4. Brussels Sprouts Gratin

Think Brussels sprouts are boring? Well, this Brussels Sprouts Gratin is about to change your mind. Oven-roasted Brussels sprouts are cooked with a creamy, cheesy sauce made from coconut milk and melty vegan cheese. It’s easy, comforting, and so rich. It’s the perfect winter side dish!

5. Mediterranean Vegetable Gratin

This Mediterranean Vegetable Gratin tastes like you took a little to Southern Europe. It’s enjoyed best when served warm, either with polenta or potato wedges but really, you can put it with pretty much anything – it’s delicious.

6. “Meat” and Potato Casserole

A comfort food that truly warms your body and soul! This “Meat” and Potato Casserole is a simple, delicious, and hearty meal to eat on an autumn evening.

7. Cheesy Cauliflower Bake with Bread Crumbs and Thyme

This creamy Cheesy Cauliflower Bake With Breadcrumbs and Thyme is the A+ procrastinator of brilliant recipes. Meaning you can make this delicious dish quickly and easily with few ingredients. It’s creamy, cheesy, savory, and ooey-gooey. This Cheesy Cauliflower bake is a winning recipe that’s destined to please all. What more could you need in a side dish?

8. Vegetable Au Gratin Casserole With Oregano Bean Purée

In this Vegetable Au Gratin Casserole With Oregano-Bean Purée, soft russet potatoes and butternut squash are layered with a creamy, herbed béchamel sauce and topped with crusty whole grain bread before baking in the oven until hot and bubbly. After dinner, turn the leftovers into oregano and bean purée, perfect for spreading on toasted bread for sandwiches and wraps. This rich, comforting meal is perfect for warming you up in cold weather.

9. Spicy Cauliflower and Butternut Squash Gratin

Cauliflower is roasted in a rich and spicy butternut squash sauce. As this dish bakes in the oven, the cauliflower absorbs the flavors and takes on a golden yellow color. Making this Spicy Cauliflower and Butternut Squash Gratin won’t require spending your entire day in the kitchen, but the results will taste like you did. If you’re bringing this to a potluck, garnish it with sliced cherry tomatoes and chopped herbs, for presentation and flavor.

10. Brown Rice Casserole

This savory Brown Rice Casserole will definitely be a winner in your weeknight recipe rotation. Hearty seasoned brown rice is baked with broccoli and other veggies to create a dish that’s flavorful, filling, and easy to make. Bonus points for being gluten-free, too!

11. Lemon Chive Spaghetti Squash Gratin

Take a break from boring ol’ pasta with this healthy Spaghetti Squash Gratin with a creamy lemon, chives, and vegan parmesan sauce. This hearty, healthy dish makes the perfect side to any fall or winter dinner spread.

12. Tofu Pot Pie Casserole

A sturdy and healthy Tofu Pot Pie Casserole made with phyllo dough and common vegetables. Quick and easy for a weekday dinner!

13. Sweet Potato and Eggplant Casserole

With sweet potatoes, coconut milk, chickpeas, and eggplant, this Sweet Potato and Eggplant Casserole is the perfect blend of savory and sweet! Baked eggplant absorbs the rich tastes of tomato, chili, garlic, and spices to give delicious, intense flavor in every bite. Perfect for a cold night in, or any night!

14. Middle Eastern-Style Veggie Bake

Try making this beautiful and flavorful Middle Eastern-Style Veggie Bake for your next holiday potluck! You’ll be the life of the party with this savory, nutrient rich dish.

Creamy Cauliflower Penne Bake

This Creamy Cauliflower Penne Bake has all of that creaminess you want from baked pasta without the need for milk. This recipe doesn’t actually use any milk, non-dairy or otherwise. The cauliflower and potato make a rich sauce, which is then thickened by a roux. Nutritional yeast gives a cheesy flavor without adding any dairy. And the bread crumbs on top add a crispy finish.

There you have it, we’ve given you quite an arsenal of dishes that will make any night of the holiday season a festive affair. Nothing says good tidings like yummy food! Do you have a sweet tooth? You should also check out our holiday desserts by downloading the Food Monster App, it’s available for both Android and iPhone and has free and paid versions. The app is loaded with thousands of allergy-friendly & vegan recipes/cooking tips, has hundreds of search filters and features like bookmarking, meal plans and more! 

Lead image source: “Meat” and Potato Casserole