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Keto Zucchini Au Gratin Casserole

When the only side dishes you’ve really eaten on a regular basis involve potatoes or pasta and you then switch to Keto or low carb, it can be hard to figure out what sides you CAN eat. Since my husband is a non-veggie eater, I just make sure I make plenty of the main course for him since he is more carnivore Keto. I, on the other hand, LOVE veggies – BUT I get tired of eating steamed broccoli or cauliflower all the time. I mean, who wouldn’t?? It becomes so monotonous.

So what else can you make? Well – PLENTY! There are a million and one things you can make. You just have to learn what your Keto friendly options are and figure out different ways to make them – and there are a LOT!

Zucchini is one of the most versatile vegetables in my opinion and when you add cheese – well, ’nuff said!

I love simple recipes and I love casseroles – which leads me to this Keto Zucchini Au Gratin casserole. You are basically layering veggies and cheese and pouring a creamy sauce over it. The result is cheesy deliciousness! I love all the yummy browned cheese on the top
Zucchini au gratin done

Part of the simplicity of this dish is that there aren’t very many ingredients to it. They include:

  • zucchini
  • onion
  • pepper jack cheese
  • butter
  • garlic powder
  • whipping cream
  • xanthan gum
  • salt and pepper if desired

That’s it!!

It’s just as easy to throw together too. The most time consuming part is cutting the vegetables. You can put the whole dish together in about 5 minutes.

Start by slicing your zucchini and the onion (and shred your cheese if you didn’t get pre-shredded). I like to use a Mandoline Slicer, this way I get nice and even cuts. Once you’ve got that done, you’re going to take a 8″ casserole dish and start layering. You’re going to make 3 layers, so divide the zucchini, onion, and cheese into thirds. Start the layering with the zucchini, the onion, and the cheese. No need to be fancy with it, you’re just going to scoop it out and eat it when it’s done anyways!

Finish all three layers and then in a separate dish, whisk together the butter, whipping cream, garlic powder, and xanthan gum. Pour it over the veggies. Your prep is DONE!!

See, I don’t think you can get much easier than that! All that’s left to do is bake it!

Bake at 375 for about 40-45 minutes or until it’s nice and brown on the top, like this deliciousness ↓↓↓Zucchini au gratin done


PRINTABLE RECIPE


 

Keto Zucchini Au Gratin Casserole

Prep time: 5 minutes
Cook Time: 40 minutes
Servings: 9
Net Carbs Per Serving: 2

4 cups sliced raw zucchini
1/2 onion, sliced thin
1 1/2 cups shredded pepper jack cheese
2 tbsp butter
1/2 tsp garlic powder
1/2 cup heavy whipping cream
1/4 tsp xanthan gum

Preheat your oven to 375 degrees F.

Start by slicing your zucchini and the onion (and shred your cheese if you didn’t get pre-shredded). I like to use a Mandoline Slicer, this way I get nice and even cuts. Once you’ve got that done, you’re going to take a 8″ casserole dish and start layering. You’re going to make 3 layers, so divide the zucchini, onion, and cheese into thirds. Start the layering with the zucchini, the onion, and the cheese. No need to be fancy with it, you’re just going to scoop it out and eat it when it’s done anyways!

Finish all three layers and then in a separate dish, whisk together the butter, whipping cream, garlic powder, and xanthan gum. Pour it over the veggies.

Bake for about 40-45 minutes or until it’s nice and brown on the top.


 

zucchini nutrition


*Disclaimer: I am NOT a certified nutritionist and your nutritional information may vary depending on exact ingredients you use. I highly recommend you calculate your own and just use this as a guideline. The links for products are affiliate links so I may earn a very small commission if you purchase through them – but it doesn’t cost you anything additional!