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    Home » Recipe Index » Vegetables

    Au Gratin Vegetables

    November 20, 2019 Updated August 29, 2023 By Rebecca Clyde MS, RDN, CD Appetizers, Entertaining, Fall Recipes, Holiday Recipe, Side Dishes, Vegetables, Winter Recipes

    Jump to Recipe
    rustic potato and brussels sprouts au gratin on plate with pan on table
    rustic potato and brussels sprouts au gratin in pan with text overlay

    This au gratin vegetables dish is delicious for Sunday dinner or as a holiday side dish. It's full of creamy cheese, tender potatoes and brussels sprouts, and a hearty addition of fresh rosemary.

    rustic potato and brussels sprouts au gratin in pan

    PIN HERE to add to your recipe box.

    [This recipe was originally posted in October 2018. It has been updated with new cooking instructions, expert tips, FAQ, and ways to repurpose/use up ingredients]

    Table of contents

    • How will this vegetable au gratin make your life easier?
    • What makes these veg au gratin so good?
    • How do I make this vegetable au gratin recipe?
    • Substitutions/Tips
    • FAQ
    • What can I make with the leftover ingredients?

    How will this vegetable au gratin make your life easier?

    These easy au gratin vegetables are easy to make, and work as a great side dish to bring to a holiday dinner party, it'll get gobbled up in no time.

    These cheesy garlic mashed potatoes, or another Thanksgiving side dish are great options too.

    This au gratin recipe is awesome because you don't have to melt the cheese or make any fancy sauce ahead of time, just melt the butter, add the milk and rosemary.

    It just takes a few minuets, and you can take short cuts with the veggies too.

    What makes these veg au gratin so good?

    • Butter
    • Milk
    • Rosemary
    • Yukon gold potatoes
    • Brussels sprouts
    • Cheddar cheese
    • Parmesan cheese
    • Garlic

    How do I make this vegetable au gratin recipe?

    Start making your au gratin vegetables by preheating oven to 425 degrees. Thinly slice potatoes and brussels sprouts. Set aside. 

    stirring two rosemary sprigs in a pot of milk

    Melt butter in a medium sized saucepan over medium heat, then add milk, fresh rosemary, and garlic. Bring mixture to a boil over medium heat, boil for about 5 minutes. Set aside.

    sliced potatoes, brussels sprouts, and cheese in a white baking dish with text overlay

    Spray glass or ceramic baking pan with cooking spray. Then layer potatoes and brussels sprouts then grated cheese, and milk sauce into pan. Continue for 3-4 layers.

    Add parmesan cheese and rosemary sprigs (from heating the milk).

    baked potato and brussels sprout au gratin in a baking dish

    Bake au gratin vegetables for 40-50 minutes, or until golden brown.

    Substitutions/Tips

    • Buy pre sliced brussels sprouts and shredded cheese to save some time when making this au gratin vegetables recipe. Don't slice potatoes ahead of time, they'll turn brown.
    • I didn't peel my potatoes for convenience and flavor, peel them if you'd like.
    • Use a mandoline or food processor to thinly slice the potatoes and brussels sprouts. It's quicker and will evenly slice the vegetables.
    • You can substitute the milk for an equal number of cups of heavy cream, or other cream, if desired.
    • Liberally spray cooking spray or spread butter or oil into pan so your au gratin vegetables don't stick to pan after they are baked.
    • Other great add-ins: Other hearty vegetables like carrots, turnips, even celery. Top them with breadcrumbs for more of a traditional au gratin.

    FAQ

    What vegetables are good with cheese?

    Hmmm, really all vegetables are good with cheese. You can top vegetables with shredded cheese, a cheese sauce, or bake vegetables in a sauce like these au gratin vegetables.

    A simple cheese sauce adds flavor to steamed vegetables.

    What are au gratin foods?

    Au gratin means 'sprinkled with breadcrumbs or grated cheese, or both' (Oxford dictionary) While this au gratin recipe doesn't include breadcrumbs, the top is still golden brown and crunchy.

    Add breadcrumbs if you'd like.

    What goes well with au gratin potatoes?

    Pork, turkey, and ham sound like particularly good companions to au gratin potatoes. Make pan fried pork chops or pork chops with apples to pair with these potatoes, or a traditional Thanksgiving turkey.

    rustic potato and brussels sprouts au gratin on plate with pan on table

    What can I make with the leftover ingredients?

    • Potatoes: potato salad, cheesy garlic mashed potatoes
    • Brussels sprouts: chicken, bacon, & brussels sprout sheet pan meal, maple mustard salmon & brussels sprouts, pork with brussels sprouts & apples
    • Cheese: veggie quesadilla, chicken burger, breakfast tacos, egg roll-up

    Did you make these au gratin vegetables? Leave me a comment & rating to share how they turned out!

    rustic potato and brussels sprouts au gratin in pan
    Print Pin
    5 from 5 votes

    Au Gratin Vegetables

    This au gratin vegetables dish is delicious for Sunday dinner or as a holiday side dish. It's full of creamy cheese, tender potatoes and brussels sprouts, and a hearty addition of fresh rosemary makes the creamiest, most fragrant, and easiest au gratin.
    Course Side Dish
    Cuisine American
    Prep Time 15 minutes minutes
    Cook Time 40 minutes minutes
    Total Time 55 minutes minutes
    Servings 6 people
    Author Rebecca Clyde MS, RDN

    Equipment

    • Medium cooking pot
    • knife
    • cutting board
    • Measuring Spoons
    • Measuring Cups
    • Baking dish
    • Cooking spray

    Ingredients

    • 2 tablespoons butter
    • 2 cups milk I used whole
    • 1 teaspoon salt
    • 3 sprigs fresh rosemary
    • 3 cloves garlic minced
    • 1 pound Yukon gold potatoes
    • 1 pound brussels sprouts trimmed
    • 1 cups cheddar cheese grated
    • ⅛ cup parmesan cheese grated
    • salt & pepper to taste

    Instructions

    • Preheat oven to 425 degrees. Melt 2 tablespoon butter in medium saucepan, then add 2 c milk, 3 sprigs fresh rosemary, and 3 cloves of minced garlic. Bring to boil over medium heat, and boil for about 5 minutes. Set aside.
    • Thinly slice 1 lb each potatoes and brussels sprouts. Set aside.
    • Spray glass or ceramic baking pan with cooking spray. Then layer potatoes and brussels sprouts then ⅓ c shredded cheddar cheese, and milk sauce into pan. Continue for 3-4 layers. Sprinkle ⅛ c parmesan cheese and rosemary sprigs leftover from heating the milk, on top.
    • Bake au gratin for 40-50 minutes, or until golden brown. Serve immediately.

    Video

    rustic potato & brussels sprouts au gratin

    Notes

    • Liberally spray cooking spray or spread butter or oil into pan so vegetables don't stick to pan.
    • Buy pre sliced brussels sprouts and shredded cheese to save some time. Don't slice potatoes ahead of time, they'll turn brown.
    • Use a mandoline or food processor to thinly slice the potatoes and brussels sprouts. It's quicker and will evenly slice the vegetables. Liberally spray cooking spray or spread butter or oil into pan so vegetables don't stick to pan.

    Want to get more single serving recipes and others like this au gratin vegetables dish delivered to your inbox? Click here to download my Single Serving Cookbook.

    Recipes are great, but you’ll need a simple 3 step process to create a meal plan that make cooking easy & helps you stop wasting food. Check out this expertly developed meal planning guide to get started. 

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    About Rebecca Clyde MS, RDN, CD

    Welcome! I’m Rebecca, a food loving dietitian who has been cooking for one for over 10 years. On Nourish Nutrition, you’ll find real, quick, and nourishing recipes for one that'll get you to want to cook for yourself, because you deserve it.

    Reader Interactions

    Comments

    1. Guinn says

      April 02, 2022 at 9:43 am

      When and where do you add the garlic? To the milk? To the vegetables? I'm gonna guess since I'm making it now but curious! Loved the look of this.

      Reply
      • Rebecca says

        April 05, 2022 at 6:43 pm

        oh no! sorry about that, and thanks for catching it. Yes-add to the milk with the butter and rosemary. Hope it turned out well

        Reply
    2. Anita says

      November 21, 2019 at 2:29 pm

      5 stars
      What a gorgeous presentation. Much prettier than regular potato gratin. This is definitely great to bring/prepare for a party. 🙂

      Reply
      • Rebecca says

        November 24, 2019 at 8:21 pm

        thanks so much! it really is

        Reply
    3. Erika says

      November 21, 2019 at 12:59 pm

      5 stars
      This is such a gorgeous au gratin dish!

      Reply
      • Rebecca says

        November 24, 2019 at 8:21 pm

        thanks so much!

        Reply
    4. Matt Freund says

      November 21, 2019 at 12:58 pm

      5 stars
      These brussels look really good. i am going to make these for Thanksgiving.

      Reply
      • Rebecca says

        November 24, 2019 at 8:21 pm

        thanks! brussels sprouts are awesome in it!

        Reply
    5. Beth says

      November 21, 2019 at 12:55 pm

      5 stars
      This is an elegant, tasty dish that I would be excited to bring to any holiday party! Great twist on the classic au gratin!

      Reply
      • Rebecca says

        November 24, 2019 at 8:22 pm

        thanks so much!

        Reply

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    At Nourish Nutrition, you'll find bold, flavorful recipes for one. Most are single serving, and all have suggestions to use up the leftover ingredients so you can stop throwing away unused ingredients & leftovers!

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