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    🏠Home » Recipes » Low Carb/Keto Recipes

    Cheesy Cauliflower Casserole

    Feb 25, 2010 | Last Updated Apr 10, 2021 by Dan Mikesell AKA DrDan

    Recipe Table of Contents    
    4.37 from 57 votes

    Cheesy cauliflower casserole is perfect for low-carb and keto diets. Or just a great veggie dish. Make this today with these easy step-by-step photo instructions.

    cheesy cauliflower casserole on white plate

    Table of Contents
    • The Cauliflower
    • 📖Low Carb Recipes
    • 🖼️Step-by-Step Photo Instructions
    • 📖Recipe
    • 💬 Comments

    Blue ribbon divider used for visual effect

    Introduction

    An easy lower-carb healthier version of "Cheesy Potatoes" using cauliflower. So now you can have "Crack Cauliflower Casserole." This really is a great side dish if you are doing any lower-carb diet for any reason.

    This is one of those recipes I have done so many times that I never measure anything. But to write it down, I did measure tonight. It was the best one in a long time. Maybe I don't measure well just by sight.

    In our old high carb days, we made "cheesy potatoes."  This is the low-carb version of that. It's fast and easy. It also is made with things we usually have on hand.

    My Rating

    My rating system. Great 5 out of 5

    Always excellent and tasty. Makes 4 servings and great for leftovers.

    The Cauliflower

    I have done this recipe for years. I usually buy frozen cauliflower in 1 pound bags and cook in the microwave per package instructions.

    However, it is now hard to find one-pound bags. They are mostly 12 oz. So you may use that and decrease the other ingredients.

    Can I use fresh cauliflower?

    Yes. One medium head of cauliflower (about 2 pounds) will trim out to about 1 pound of well-trimmed florets.

    You should precook the fresh cauliflower in a microwave. Place the cauliflower florets in a large microwave-safe bowl with a couple of tablespoons of water. Cover bowl loosely but not tightly. Cook on high until tender, 4 to 5 minutes, then drain.

    Make it "Crack Cheesy Cauliflower Casserole"

    Bacon is a great addition to this but not really necessary. Just cook 2-3 slices of bacon, crumble, and add to the casserole during mixing.

    📖Low Carb Recipes

    Easy Low Carb Pizza

    Low Carb Parmesan-Sesame Crackers

    Garlic Mashed Cauliflower

    Simple Splenda Lemonade

    This recipe is listed in these categories. See them for more similar recipes.

    Casserole Recipes, Healthy Recipes, Low Carb/Keto Recipes, Side Dish Recipes
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    🖼️Step-by-Step Photo Instructions

    cauliflower with onions cheese and sour cream

    Use frozen cauliflower. See discussion for using fresh cauliflower.

    putting cauliflower into microwave

    Cook the entire bag of cauliflower in the microwave. I use a covered dish with about a tablespoon of water on the "frozen vegetable" setting. Or follow instructions on the package. You can use fresh cauliflower. One medium head should yield about one pound and cook in a microwave in 4-5 minutes with a bit of water.

    slicing green onion on wooden board

    Slice 3 green onions.

    mashiing cauliflower with potato masher

    Move cauliflower to the mixing bowl and mash with a potato masher. You could also use a mixer or food processor, but you are NOT trying to cream this. Add cheddar cheese, sour cream, scallions, salt, and pepper. Bacon is optional.

    moving casserole filling to baking dish

    Mix well and move to a baking pan. I usually use a 7 X 10 Corning Ware dish. It may be refrigerated or cooked now.  Cook in preheated oven 375° convection until the top is browned. About 20 minutes. (you may adjust the temp depending on your needs for timing or cooking with other foods)

    baked cauliflower casserole in dish

    Try to let sit for 5 minutes before serving. Heat leftovers in the oven. Much better than microwaved.

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    📖Recipe

    cheesy cauliflower casserole on white plate

    Cheesy Cauliflower Casserole

    From Dan Mikesell AKA DrDan
    Cheesy cauliflower casserole is perfect for low-carb and keto diets. Or just a great veggie dish. Make this today with these easy step by step photo instructions.
    Tap to leave a Rating
    4.37 from 57 votes
    Print Email CollectionCollected
    Prep Time: 10 minutes
    Cook Time: 20 minutes
    Total Time: 30 minutes
    Servings #/Adjust if desired 4

    Ingredients

    US Customary - Convert to Metric
    • 1 lb frozen cauliflower
    • 1 cup sour cream
    • 1 cup cheddar cheese
    • 3 green onions - sliced thin
    • ½ teaspoon salt
    • ¼ teaspoon pepper - coarse ground
    • 3 slices bacon - optional. Cooked and crumbled.

    Instructions

    • Cook the entire bag of cauliflower in the microwave. I use a covered dish with about a tablespoon of water on the "frozen vegetable" setting. Or follow instructions on the package. You can use fresh cauliflower. One medium head should yield about one pound and cook in a microwave in 4-5 minutes with a bit of water.
      putting cauliflower into microwave
    • Slice 3 green onions.
      slicing green onion on wooden board
    • Move cauliflower to the mixing bowl and mash with a potato masher. You could also use a mixer or food processor, but you are NOT trying to cream this. Add cheddar cheese, sour cream, scallions, salt, and pepper. Add bacon if using.
      mashiing cauliflower with potato masher
    • Mix well and move to a baking pan. Maybe refrigerated or cooked now.
      moving casserole filling to baking dish
    • Cook in preheated oven 375° convection until the top is browned. About 20 minutes until nicely browned. (you may adjust the temp depending on your needs for timing or cooking with other foods)
    • Try to let set for 5 minutes before serving.
      cheesy cauliflower casserole on white plate
    See the step-by-step photos in the post. Some recipes have an option to display the photos here with a switch above these instructions but the photos DO NOT print.

    My Private Notes

    Click here to save your own private notes only you will see. These will print and be saved for your next visit.
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    Recipe Notes

    Pro Tips

    1. You may use frozen or fresh cauliflower. Cook per instructions.
    2. Make it "crack" by adding 3 slices of cooked and crumbled bacon.
    3. Reheats well in a microwave.
    4. Pan size. I usually use a 7 X 10 Corning Ware dish. An 8 X 8 would be good or anything in about that size range.
    5. Since this was originally published, many bags of frozen cauliflower have "shrunk" to 12 oz from 1 pound. The recipe will need to be decreased by 25%  if that is what you have. Cooking time will be about the same.

    To adjust the recipe size:

    You may adjust the number of servings in this recipe card under servings. This does the math for the ingredients for you. BUT it does NOT adjust the text of the instructions. So you need to do that yourself.

    Nutrition Estimate

    Calories : 263 kcal (13%) | Carbohydrates : 8 g (3%) | Protein : 11 g (22%) | Fat : 20 g (31%) | Saturated Fat : 13 g (65%) | Polyunsaturated Fat : 0.4 g | Monounsaturated Fat : 3 g | Cholesterol : 69 mg (23%) | Sodium : 476 mg (20%) | Potassium : 269 mg (8%) | Fiber : 3 g (12%) | Sugar : 5 g (6%) | Vitamin A : 750 IU (15%) | Vitamin C : 78.4 mg (95%) | Calcium : 270 mg (27%) | Iron : 0.9 mg (5%)
    Serving size is my estimate of a normal size unless stated otherwise. The number of servings per recipe is stated above. This is home cooking, and there are many variables. All nutritional information are estimates and may vary from your actual results. To taste ingredients such as salt will be my estimate of the average used.
    Course : Main Course|Side Dish
    Cuisine : American

    © 101 Cooking for Two, LLC. All content and photographs are copyright protected by us or our vendors. While we appreciate your sharing our recipes, please realize copying, pasting, or duplicating full recipes to any social media, website, or electronic/printed media is strictly prohibited and a violation of our copyrights.

    Editor's Note: Originally Published February 25, 2010. Updated with expanded options, refreshed photos, and a table of contents to help navigation.

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    Reader Interactions

    Comments

    1. Jan M

      January 29, 2021 at 9:37 am

      3 stars
      This was easy and quick to prepare; I also appreciated the note provided as to the point it could be prepared ahead of time and baked later. I halved the recipe and there was still enough for 4 servings. However, I'm sorry to say we did not enjoy the taste of the sour cream at all. The extra bacon and cheese I added did nothing to cover up the sour cream taste. Some day, I may try it with yogurt as others have suggested, or cream cheese, but as is it just did not work for us.

      Reply
    2. Sally

      October 28, 2020 at 7:29 pm

      5 stars
      This is delicious and I make it a lot. I often don't have green onions so I use yellow onion or dried shallots. Easy to make variations. Sometimes we eat it as a side dish and sometimes as a main dish. Tonight I added 2 cups of leftover chili and maybe 3/4 cup of leftover corn. Added extra cheese on the top.

      Reply
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