Cauliflower Gratin – Cheesy Cauliflower Casserole Recipe

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This cauliflower gratin recipe is a tasty way to add cauliflower to your diet. This French inspired cauliflower gratin recipe is basically a cauliflower cheese casserole. I like to put creamy horseradish sauce in mine, and you should definitely give that a try. I also like to
add a few other veggies, just for color. I use red bell pepper, celery, and green onion in the video, but use whatever vegetables have in the fridge to add a bit of color; using just a little shredded
carrot will add some pizzazz. This gratin is probably not the healthiest cauliflower recipe, but it's healthier than cauliflower ice cream, if there is such a thing.
A printable copy of this cauliflower gratin recipe and more tips on how to prepare it can be found at

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What You Need To Make a Cauliflower Gratin
2 lbs CAULIFLOWER florets
1 cup chopped veggies …like:
….but use whatever you have
2 cups whole MILK (or half and half)
5 Tbsp FLOUR
1-2 cups freshly grated CHEESE
(I like using a combo of cheeses, some of my faves are
swiss, parmesan, gruyere, gouda, and havarti)
1 Tbsp CREAMY HORSERADISH (or 2 Tbsp?…it's good in this dish)
1 Tbsp fancy MUSTARD
SALT and PEPPER (to taste)

How to Cook Cauliflower Gratin
Cut the cauliflower into florets.
I like to steam the florets for 2-3 minutes, this will make the cauliflower gratin creamier. Use a steaming basket, or just place half an inch
of water in a pan, cover, and steam that way for a few minutes. If you prefer your cauliflower a little firmer in your gratin,
you can skip the steaming.
Lightly butter an oven safe baking dish.
Arrange the cauliflower florets on the bottom.
Add about 1 cup of assorted, chopped veggies on top, for color and added texture.
In a sauce pan, melt butter.
On medium heat, add in the flour with the butter and stir for about 1 minute.
Add in half the milk (or Half and Half), and continue stirring.
As the mixture thickens, add in the rest of the milk and whisk smooth.
Add in salt and pepper to taste, and dried Italian seasoning.
Add in half of the freshly grated cheese, stir until melted, and remove from the heat.
Evenly pour the creamy, cheesy mixture over the top of the cauliflower/veggie mix.
Top the gratin with the remainder of the cheese (although you can reserve a bit of cheese for topping at the end, if desired)
Bake 25-35 minutes in an oven pre-heated to 350 degrees Fahrenheit.
When the cauliflower gratin begins to color nicely on top, it's ready.
Garnish with extra cheese or fresh herbs.
And that's it.

And for another cauliflower recipe idea, try a Cauliflower Crust Pizza.

Definitely give this cauliflower gratin recipe a try and let me know what you think. If you liked the recipe, click a few buttons below to share it with your friends. Thanks, I appreciate it!
–Chef Buck


Written by The Chef's Circle

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