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    Home » Low Carb

    Low Carb Mexican Casserole

    Published: Jan 1, 2020 • Modified: May 30, 2020 by Charlotte• This post may contain affiliate links •17 Comments

    97.2K shares
    Jump to Recipe - Print Recipe
    chiles rellenos mexican casserole with golden melted cheese on top and bits of diced green peppers

    Only 6 gm carbohydrate in this delicious chile rellenos casserole.  Satisfy your low carb Mexican food cravings with this weeknight favorite you can make in under 40 minutes.

    chile rellenos casserole with golden brown cheese on top

    This recipe originally published January 2019, now with all new step by step instructions and expert tips.

    Mexican food is the best!! Some of my favorites include Low Carb Mexican Chicken Bowl, Low Carb Mexican Fajita Bowl and Low Carb Steak Taco Bowl. Another yummy Mexican recipe that's great anytime is Fajita Pepper Snacks!

    This low carb chile relleno casserole will help you satisfy your Mexican food craving while watching your carb intake. This recipe calls for either canned or fresh peppers (whichever you have). I used diced green chiles because I had them in my pantry. I have also made this low carb casserole with fresh poblano peppers and they were awesome! I roasted them in the oven then let them steam and they were easily peeled. Also, I have made this with and without the ground beef and it's great either way.

    What are chiles rellenos?

    Chile rellenos consist of roasted poblano or other pepper stuffed and fried.  This traditional Mexican dish can be high in carbs and fat due to the batter used when frying.

    3 green chiles

    Why this recipe works

    • Short on time? This recipe uses canned green chiles as a time-saver.  Feel free to roast your poblanos if desired.
    • Unlike traditional chile rellenos, there is no frying! Simply layer ingredients and the egg batter cooks up cheesy and delicious. 
    • Make it with or without ground beef. Your choice!

    🥘 Ingredients

    • Ground beef- I use ground round but you may use ground beef if desired.
    • Diced onions- fresh or frozen (another time-saver) work equally well.
    • Diced green chiles- find these in the Mexican food section of your market.
    • Cheese- choose your favorite- cheddar to monterey jack work well.

    🔪 Instructions

    Photo  1 - Begin browning the ground beef with onions. You may omit this step and leave off the ground beef if you desire.  Photo 2- Browned ground beef. Photo 3- Layer the green chiles (fresh roasted and peeled or canned) in a medium size casserole dish.  Photo 4- Add the ground beef layer on top of the chiles. (You can omit this step if you are leaving off ground beef)  Photo 5- This pic shows you the cheese layer covered with remaining ingredients. (milk and egg mixture) Photo 6- This step involves digging in! I topped mine with salsa and sour cream. A side salad would be the perfect accompaniment.

    raw ground beef and chopped onions in skillet
    Photo 1
    cooked ground beef in skillet
    Photo 2
    layer of green chilis in glass dish
    Photo 3
    cooked ground beef over layer of green chilis
    Photo 4
    chile rellenos casserole ready for oven
    Photo 5
    mexican casserole with yellow melted cheese
    Photo 6

    💭 Top tips

    • Make this recipe even more flavorful by roasting a couple of poblano chiles in the oven.  Place chiles in a paper bag to steam then peel and use in place of canned chiles. Roasted and peeled chiles can be frozen until ready to use if desired. 
    • Grate your cheese from a block instead of using pre-grated.  You will get a cheesier, meltier (is that a word?) result!  Only have pre-grated cheese? No worries- it is fine to use too.
    • Use ground beef or ground round- whichever you prefer.

    Frequently Asked Questions

    1. How many carbs in this recipe?  There are 10gm carbs in low carb chiles rellenos casserole. 
    2. What do you serve with this keto Mexican casserole?  I love to top mine with sour cream and salsa! I also add a side salad.
    3. How do I store leftovers?  After the casserole cools cover tightly and store up to 3 days in the refrigerator.  Re-heat portions in the microwave until warm.
    mexican casserole with melted cheese in glass bowl

    Did you make this recipe? Please leave your star rating and comment below!

    📋 Recipe

    Recipe

    chile rellenos casserole with golden brown cheese on top

    Low Carb Mexican Casserole

    Enjoy this easy Low Carb Chile Relleno Casserole with no guilt!  Ground beef and lots of peppers and cheese makes satisfying Mexican food!
    4.42 from 336 votes
    Print Pin Rate
    Course: Main Course
    Cuisine: Mexican
    Prep Time: 10 minutes
    Cook Time: 30 minutes
    Total Time: 40 minutes
    Servings: 4
    Calories: 421kcal
    Author: Easyhealth Living

    Ingredients

    • ½ lb ground beef, lean
    • ½ cup onions, diced
    • 8 oz diced or whole roasted chiles or 2 fresh poblanos, roasted and peeled
    • 1 cup sharp cheddar cheese, shredded
    • ½ cup monterey jack cheese, shredded
    • 2 eggs
    • ½ cup heavy cream
    • ¾ teaspoon cumin
    • ¼ teaspoon salt
    • ⅛ teaspoon pepper
    Prevent your screen from going dark

    Instructions

    • Preheat oven to 375 degrees.  
    • Brown ground beef with onion and sprinkle with salt and pepper as desired.
    • In an 8 X 8 oven proof baking dish, layer chiles.  Next add layer of ground beef onion mixture. Next add layer of cheddar and monterey jack cheese.  
    • Whisk together remaining ingredients then pour over casserole.  Bake in preheated oven for 20 minutes or until mixture is set and cheese is golden and bubbly.
    • Serve immediately with salsa and sour cream if desired.

    Video

    Notes

    Expert Tips:
    • Make this recipe even more flavorful by roasting a couple of poblano chiles in the oven.  Place chiles in a paper bag to steam then peel and use in place of canned chiles.
    • Grate your cheese from a block instead of using pre-grated.  You will get a cheesier, meltier (is that a word?) result!  Only have pre-grated cheese? No worries- it is fine to use too.
    • Use ground beef or ground round- whichever you prefer. 
    Nutrition Facts
    Low Carb Mexican Casserole
    Amount per Serving
    Calories
     
    421
    Calories from Fat 297
    % Daily Value*
    Fat
     
    33
    g
    51
    %
    Saturated Fat
     
    19
    g
    95
    %
    Cholesterol
     
    202
    mg
    67
    %
    Sodium
     
    480
    mg
    20
    %
    Potassium
     
    402
    mg
    11
    %
    Carbohydrates
     
    6
    g
    2
    %
    Fiber
     
    1
    g
    4
    %
    Sugar
     
    3
    g
    3
    %
    Protein
     
    26
    g
    52
    %
    Vitamin A
     
    1158
    IU
    23
    %
    Vitamin C
     
    47
    mg
    57
    %
    Calcium
     
    361
    mg
    36
    %
    Iron
     
    2
    mg
    11
    %
    * Percent Daily Values are based on a 2000 calorie diet.
    Tried this Recipe? Pin it for Later!Mention @EasyHealthllc or tag #EasyHealthllc!

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    Reader Interactions

    Comments

    1. mayra talamantez

      November 19, 2019 at 9:59 pm

      5 stars
      I made it, it was sooo delicious! I swapped the ground beef for chicken breast cuz thats all i had. I used heavy cream instead of the milk cuz hello (low carb). It was so good my hubby loved it.

      Reply
      • Charlotte

        November 20, 2019 at 7:01 am

        Mayra
        So glad you liked it! Love the chicken sub idea!! Thanks for visiting Easyhealth Living 😊
        Charlotte

        Reply
    2. Becky Carpinelli

      November 27, 2019 at 7:25 pm

      5 stars
      This was so delicious and very easy to make. I used whole roasted peppers mixed with a can of chopped peppers, doubled everything (except for the eggs and milk) and made two layers, OMG, heaven! Thank you for sharing.

      Reply
    3. Susan Chaidez

      January 02, 2020 at 11:44 am

      The flour and milk add to the carb count! Used heavy cream instead. 10 carbs for me is half of my daily allowance on carbs!

      Reply
    4. Jan

      January 31, 2020 at 6:45 pm

      Can you substitute almond or coconut flour for the flour. Keto doesn’t use regular flour

      Reply
      • Charlotte

        January 31, 2020 at 9:21 pm

        Hi Jan,
        Thanks for visiting Easyhealth! Sorry, I've never used almond or coconut flour in the recipe. I will be sure and try this next time I make the recipe though!

        Reply
        • Daniela

          February 03, 2020 at 11:02 am

          So have you tried it with either almond or coconut flour? Does anyone know how many carbs it would be if switching the flour? Is it 10carbs per serving or entire dish?

          Reply
    5. Sally

      February 08, 2020 at 4:14 pm

      The flour is not even needed in this recipe-it is used to thicken the milk mixture.

      Using half a cup of cream will do the same without the unnecessary addition of carbs from flour and regular milk.

      Reply
      • Charlotte

        February 09, 2020 at 2:59 pm

        Smart idea- Thanks for visiting Easyhealth Living!

        Reply
    6. Sherry

      April 28, 2020 at 10:48 pm

      This is good. Family liked it. Added a bit more cumin & added Mexican spice & garlic salt to meat while cooking.

      Reply
      • Jean

        September 27, 2021 at 7:03 pm

        Love this recipe but am wondering what the serving size is. Thanks

        Reply
        • Charlotte

          September 27, 2021 at 7:05 pm

          The serving size is 1/4 of the recipe. Hope that helps!

          Reply
    7. Sherry

      July 09, 2020 at 9:27 pm

      4 stars
      This is in fact easy & very good! Kid approved!

      Reply
      • Charlotte

        July 09, 2020 at 10:05 pm

        Thanks for the review! Glad you liked this recipe 😊

        Reply
    8. K in Va

      July 20, 2020 at 12:24 am

      5 stars
      Very good! Definitely use shredded cheese chunks won’t melt in. Needed more cumin and some onion salt without beef. I doubled it for 9x13 Pan. Helps if there’s spray avocado oil on pan first.

      Reply
      • Charlotte

        July 20, 2020 at 8:26 am

        Thank you for your review and for visiting Easyhealth!

        Reply
    9. Beth Biette

      January 20, 2021 at 7:11 pm

      5 stars
      Delicious! I used shredded beef instead of hamburger and it was spectacular! Thank you!

      Reply

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    Hi, I'm Charlotte - welcome to Easyhealth Living! Are you looking for healthy diabetes-friendly/low carb recipes? Come cook with me!

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