Welcome to your new favorite weeknight dinner: the Keto Chile Relleno Casserole. This incredibly satisfying dish takes all the vibrant flavors of a classic Mexican favorite and transforms them into a low-carb, easy-to-make casserole that the whole family will adore. With just a few simple ingredients and minimal prep, you can whip up a hearty, cheesy, and utterly delicious meal that perfectly fits a ketogenic lifestyle without sacrificing taste.

What is Traditional Chile Relleno? Unpacking a Mexican Classic
To truly appreciate this casserole, it’s worth understanding its origins. The traditional Chile Relleno is a culinary masterpiece originating from the city of Puebla, Mexico. The name itself, “Chile Relleno,” translates to “stuffed chili,” which perfectly describes the dish. Historically, it features a large, roasted, and peeled green chili pepper, most commonly a poblano, though sometimes Anaheim or even jalapeño peppers are used for a spicier kick. This pepper is carefully stuffed with a savory filling, typically a blend of seasoned meat (like picadillo) and various cheeses. Once stuffed, it’s often dipped in a light, fluffy egg batter and fried until golden brown, creating a crispy exterior that encases the melted cheese and flavorful filling. The dish is then typically served bathed in a rich tomato sauce. It’s a dish known for its complex textures and deep, comforting flavors, making it a beloved staple in Mexican cuisine.

While the original preparation is undoubtedly delicious, it can be quite time-consuming and involves a few steps that might be challenging for a weeknight meal or for those adhering to specific dietary restrictions, such as a low-carb or keto diet. This is where our simplified, yet equally flavorful, casserole version comes into play, offering all the beloved tastes without the traditional fuss or high carb count.
Transforming Tradition: Low-Carb Chile Relleno Casserole with Ground Beef
Inspired by the authentic flavors of cheese, meat, and chiles, we’ve reimagined the classic Chile Relleno into a family-friendly casserole that’s both quicker to prepare and perfectly suited for a low-carb lifestyle. My own children, for instance, are far more enthusiastic about digging into a cheesy, bubbling casserole than tackling a large stuffed pepper. This adaptation addresses common dinner dilemmas: convenience, pickiness, and dietary needs, all in one hearty dish.

One of the key modifications for this keto version is the elimination of the traditional breading. While the crispy egg batter is a hallmark of authentic Chile Relleno, it adds unnecessary carbohydrates. Instead, this casserole ingeniously creates a fantastic crispy topping using a generous layer of melted cheese, often parmesan or a similar hard cheese. This not only keeps the carb count low but also adds an irresistible golden crust that truly elevates the dish. The result is a casserole that astonishingly mimics the rich, savory, and satisfying experience of a traditional chile relleno, but with significantly less effort and time spent in the kitchen.
A Healthy and Wholesome Twist on a Classic
This shortcut recipe doesn’t just save time; it delivers all the classic tastes and textures of authentic chile relleno in a wholesome package. If you’re someone who loves a little extra heat, feel free to finely dice some fresh poblano or jalapeño peppers and mix them into the casserole before baking. This simple addition will significantly boost the spice level and add an extra layer of fresh flavor.

Beyond its delicious flavor, this casserole is also packed with nutritional benefits. Loaded with cheese and dairy, it’s an excellent source of calcium, essential for strong bones, and high in protein, which is crucial for muscle repair, satiety, and overall body function. The ground beef further contributes to its protein content, making this a truly robust and nourishing meal that supports a healthy, active lifestyle.
Storing and Reheating Leftovers
Preparing this casserole often means you’ll have delicious leftovers, which makes meal planning a breeze. Storing them is straightforward: simply transfer any remaining casserole to an airtight container and place it in the refrigerator. It will stay fresh and tasty for up to three days. You might notice that when chilled, the creamy cheese mixture tends to firm up, creating a denser texture. But don’t worry! The good news is that as soon as you gently reheat it, either in the microwave or oven, it magically returns to its wonderfully creamy, melt-in-your-mouth consistency, tasting just as good as when it was first baked.
A Truly Filling Keto Casserole for Any Occasion
Given the generous amount of dairy and cheese used in this recipe, it’s exceptionally rich and incredibly filling. You’ll find that a modest serving is usually enough to satisfy your hunger, meaning you won’t need to load up on many side dishes. If you do wish to complement it, consider something light and refreshing, like sliced bell peppers, a simple green salad, or a side of fresh avocado. These options provide a nice contrast to the casserole’s richness without making the meal too heavy.

This casserole is particularly excellent for lunch, keeping you feeling full and energized until dinner, preventing those mid-afternoon cravings that can derail a keto diet. Its hearty nature also makes it an ideal candidate for meal prepping. Prepare a large batch at the beginning of the week, and you’ll have delicious, low-carb meals ready to go for several days.
Versatile and Flavorful: Your Go-To Low-Carb Mexican Casserole
This recipe isn’t just a delicious dinner option; it’s also incredibly versatile and perfect for celebrating occasions like Cinco de Mayo. It’s a crowd-pleaser that won’t break the bank, with ground beef often being the most expensive ingredient. This affordability, combined with its ease of preparation and capacity to feed many, makes it an ideal choice for gatherings.

Feel free to get creative with your protein choice; ground chicken, turkey, or even spicy chorizo sausage can be fantastic alternatives to ground beef, each bringing a unique flavor profile to the dish. Don’t stop there – experiment with different types of cheese to further customize your casserole. For an extra layer of authentic Mexican flavor and a delightful kick, seek out some freshly shredded jalapeño or habanero jack cheese from your local deli or cheese department. The possibilities for customization are endless, allowing you to tailor this healthy low-carb Mexican casserole to your exact taste preferences.
Easy Keto Chile Relleno Casserole Recipe
Ready to create this sensational low-carb Mexican dinner? Here’s everything you need to know to make your own Keto Chile Relleno Casserole. The exact measurements for each ingredient and step-by-step instructions are provided below.
Ingredients:
- 3 cans (7-ounce each) diced green chiles
- 8 ounces Cream Cheese, softened to room temperature
- 4 Large Eggs
- 1 cup Heavy Cream
- 1 1/2 tsp Ground Cumin
- Salt and Black Pepper, to taste
- 2 pounds Ground Beef, browned and drained
- 3 cups Fiesta Blend Cheese, divided
Instructions:
- Preheat your oven to 350 degrees F (175 degrees C). Prepare a 9×13 inch baking dish by lightly coating it with nonstick cooking spray.
- Carefully pour the diced green chiles into the prepared baking dish, spreading them evenly to form the base layer.
- In a large mixing bowl, combine the softened cream cheese, eggs, heavy cream, ground cumin, salt, and black pepper. Whisk these ingredients together until the eggs and cream cheese are thoroughly blended and the mixture is smooth.
- Once the wet ingredients are well combined, stir in the browned and drained ground beef along with 2 cups of the fiesta blend cheese into the mixture. Mix until everything is just incorporated.
- Using a spoon, dollop spoonfuls of the ground beef and cheese mixture over the layer of green chiles in the baking dish. Spread it gently to create an even, consistent layer on top.
- Generously sprinkle the remaining 1 cup of fiesta blend cheese over the top of the casserole.
- Bake in the preheated oven for 30 to 35 minutes, or until the eggs are completely set in the middle and the cheese topping is bubbly and lightly golden brown.
- Once baked, remove the casserole from the oven and allow it to rest for 5 minutes before slicing and serving. This resting time helps the casserole set and makes for cleaner slices.
- Serve your delicious Keto Chile Relleno Casserole as is, or with a dollop of sour cream, fresh cilantro, or diced avocado if desired. Enjoy!






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Keto Chili Relleno Casserole
This keto chili relleno casserole is a low-carb Mexican dinner the entire family will love. It only has a few simple ingredients.
Course: Dinner
Keyword: Keto Chili Relleno Casserole
Prep Time: 10 minutes
Cook Time: 40 minutes
Total Time: 50 minutes
Servings: 6 people
Calories: 310 kcal per serving
Ingredients
- 3 cans (7-ounce) diced green chilis
- 8 ounces Cream Cheese, softened to room temperature
- 4 Eggs
- 1 cup Heavy Cream
- 1 1/2 tsp Ground Cumin
- Salt and Black Pepper, to taste
- 2 pounds Ground Beef, browned and drained
- 3 cups Fiesta Blend Cheese, divided
Instructions
- Preheat the oven to 350 degrees F (175 C). Prepare a 9×13 baking dish with nonstick cooking spray.
- Pour the chiles into the baking dish and create an even layer.
- In a large mixing bowl, mix together the cream cheese, eggs, heavy cream, ground cumin, salt, and black pepper until the eggs and cream cheese are well blended. Stir in the ground beef and 2 cups of the fiesta blend cheese.
- Dollop the ground beef mixture over the top of the chiles to create a layer.
- Top the casserole with the remaining 1 cup of cheese.
- Bake for 30 to 35 minutes or until the eggs are completely set in the middle and the top is golden.
- Allow the casserole to rest for 5 minutes before slicing and serving.
- Serve with sour cream if desired.
Recipe Notes
Calories: 310 per serving
Net Carbs: 4 g per serving
The nutritional information for this recipe is calculated as a courtesy and is an approximate only. We cannot guarantee the accuracy of the nutritional information for any recipes on this site.
More Delicious Low-Carb Mexican Dinner Ideas
If you loved this Keto Chile Relleno Casserole, you’re in for a treat! Here are some more easy and satisfying Mexican-inspired recipes that are perfect for your low-carb lifestyle, whether it’s for Cinco de Mayo or any night of the week:
- Easy Keto Taco Skillet
- Keto Taco Lasagna
- Low-Carb Avocado Cucumber Salad
