Finding a truly satisfying meal that’s also low-carb and doesn’t take all night to make can sometimes feel like a hunt for a unicorn, right? Well, guess what? I’ve got your unicorn right here! This Low-Carb Oven Dish Recipe is my absolute go-to when the weeknight craziness hits. It’s just ridiculously simple, always flavorful, and honestly, it’s one of those dishes that just makes you feel good all over. I remember first throwing this together after a brutal day at work – I needed something hearty but didn’t want to derail my low-carb goals, and boom, this magic happened. Trust me, as someone who’s been navigating the low-carb world for ages, this recipe is a keeper.

Why You’ll Love This Low-Carb Oven Dish Recipe
Seriously, this recipe is a lifesaver! Here’s why it’s become a staple in my kitchen:
- Super Easy Prep: Most of it just involves chopping and mixing!
- Packed with Flavor: That creamy, cheesy topping over the savory beef is just *chef’s kiss*.
- Perfectly Low-Carb: It hits all the right spots without the carb crash. Hello, keto-friendly!
- Minimal Cleanup: Usually, it’s just one skillet and your baking dish. Music to my ears!
Gather Your Ingredients for this Low-Carb Oven Dish Recipe
Okay, let’s get down to business! One of the best things about this low-carb oven dish is how straightforward it is. You probably have most of this stuff in your pantry already. Here’s what you’ll need to grab:
- 1 lb ground beef (I like 80/20 for flavor!)
- 1 large onion, finely chopped (about 1 cup)
- 2 cloves garlic, minced (don’t be shy with the garlic!)
- 1 (15 oz) can diced tomatoes, undrained (fire-roasted adds a nice touch if you have them!)
- 1 (10 oz) can diced tomatoes and green chilies, undrained (Hatch chiles, anyone?)
- 1 cup shredded cheddar cheese (sharp cheddar is my favorite here)
- 1/2 cup sour cream (full-fat is key for creaminess!)
- 1/4 cup mayonnaise (again, full-fat if you can!)
- 1 teaspoon chili powder
- 1/2 teaspoon cumin
- Salt and pepper to taste (you’ll season at the end, but keep it handy!)

Step-by-Step Guide to Making Your Low-Carb Oven Dish Recipe
Alright, buckle up, because this is where the magic really happens! Making this Low-Carb Oven Dish Recipe is honestly a breeze, and I’m going to walk you right through it. Just follow along, and you’ll have a delicious meal on the table in no time! It’s the perfect companion to dishes like our ground beef lettuce wraps or even our flavorful garlic butter beef recipe.
Preheating and Browning the Beef
First things first, let’s get that oven warming up. Pop it in at 375°F (190°C). While it’s heating, grab a nice big skillet – you know, the one you trust! – and toss in your pound of ground beef. Brown it up over medium-high heat until there’s no pink left, then drain off any of that greasy stuff. Nobody likes a greasy dish!
Sautéing Aromatics and Simmering the Sauce
Now, toss your chopped onion and minced garlic right into that skillet with the browned beef. Give it a stir and let them cook until the onion starts to look soft and fragrant, usually about 5 minutes. Then, pour in those cans of diced tomatoes (undrained, remember!) along with your chili powder and cumin. Give it all a good stir, bring it up to a gentle simmer, and let it bubble away for about 5 minutes. This is where all those yummy flavors really start to meld together.
Preparing the Creamy Topping
While your meat mixture is simmering, let’s whip up that dreamy topping. In a separate bowl – easy peasy – just mix together your shredded cheddar cheese, the sour cream, and the mayonnaise. Stir it all up until it’s nice and smooth. This is going to be the best part, I promise!
Assembling and Baking Your Low-Carb Oven Dish
Okay, time to put it all together! Spread that savory meat and tomato mixture evenly into your baking dish. It should be a nice, even layer. Then, dollop or spread that glorious creamy cheese mixture right on top. Pop that dish into your preheated oven and let it bake for about 20-25 minutes. You’re looking for that cheesy topping to be all melted and bubbly – a sure sign of deliciousness!

Tips for a Perfect Low-Carb Oven Dish
Want to make your Low-Carb Oven Dish Recipe absolutely sing? Here are a couple of my tried-and-true tricks that never fail me. First off, really *don’t* overcook those onions when you’re sautéing them! If they get too soft or start to brown, they can make the whole dish a bit bitter, and nobody wants that. Just cook them until they’re tender and translucent. Also, for a little something extra, try adding a tiny pinch of smoked paprika to the meat mixture. It gives it this subtle, smoky depth that just takes everything to the next level. It pairs beautifully with other dishes like our ground beef cauliflower skillet or even our wonderfully savory keto garlic butter meatballs!
Ingredient Notes and Substitutions for Your Low-Carb Oven Dish
Sometimes life throws you a curveball, and you might not have everything for this Low-Carb Oven Dish Recipe. No worries! That’s where substitutions come in. If you don’t have cheddar, any good melting cheese like Monterey Jack or a Mexican blend works wonderfully. And if you’re really watching those carbs, feel free to use a sugar-free mayonnaise. It honestly doesn’t change the flavor much, but it keeps this dish super keto-friendly. Using full-fat dairy for the topping really makes it creamy and satisfying, so I’d stick with that if you can!
Serving Suggestions for this Low-Carb Oven Dish
Now, this Low-Carb Oven Dish Recipe is hearty enough to stand on its own, but personally, I love pairing it with a cool, crisp salad. A simple cucumber Caprese salad is fantastic, or even our vibrant grilled zucchini and chickpea salad adds a lovely freshness. A dollop of extra sour cream or some chopped fresh cilantro on top is also a delicious finishing touch!

Storage and Reheating Instructions
Got leftovers? Lucky you! This Low-Carb Oven Dish Recipe is just as good, if not better, the next day. Just pop any cooled leftovers into an airtight container and keep them in the fridge for up to 3 days. When you’re ready to enjoy it again, you can gently reheat it in the microwave – just cover it loosely with a paper towel so it doesn’t dry out, or pop it back into a moderate oven until it’s warmed through and bubbly!
Frequently Asked Questions about this Low-Carb Oven Dish
Got questions about my favorite Low-Carb Oven Dish Recipe? I’ve got answers! It’s one of those dishes that’s super adaptable, so let’s dive into what people usually ask. It’s a fantastic option from my low-carb recipes collection.
Can I make this Low-Carb Oven Dish Recipe ahead of time?
Oh, absolutely! This is one of the reasons I love it so much. You can totally prepare the meat mixture and the cheesy topping separately, store them in the fridge, and then assemble and bake it right before you want to eat. Or, assemble the whole thing and just cover it tightly with plastic wrap. It’ll keep in the fridge for up to 24 hours before you bake it. Just add a few extra minutes to the baking time if it’s cold from the fridge!
What other meats can I use in place of ground beef?
Great question! You can definitely swap out the ground beef. Ground turkey or ground chicken work really well and are still low-carb. For a richer flavor, you could even try using Italian sausage (just make sure it’s a low-carb variety!). The key is to make sure whatever meat you use is browned and drained of excess fat before you add the other ingredients, just like with the beef.
Is this Low-Carb Oven Dish Recipe keto-friendly?
You bet it is! This recipe checks all the boxes for being keto-friendly. The main ingredients – ground beef, cheese, sour cream, and mayonnaise – are all naturally very low in carbohydrates. We’re not adding any sugary ingredients or fillers. The tomatoes and onions do have some carbs, but in the amounts used, it keeps the overall carb count per serving nice and low. It’s one of my go-to keto recipes when I need something quick and satisfying.
How can I make this dish spicier?
If you like a little more kick, you’re in luck! Besides the diced tomatoes and green chilies doing a little bit of work, you can easily amp up the heat. Try adding a pinch of cayenne pepper along with the chili powder and cumin. You could also stir in a teaspoon or two of your favorite hot sauce into the meat mixture, or even mix some finely chopped jalapeños right in with the onions. Just adjust to your liking!
Nutritional Information for the Low-Carb Oven Dish
Now, I always like to give you a heads-up on the nutritional side of things for this Low-Carb Oven Dish Recipe, so you know exactly what you’re working with! Keep in mind these numbers are just estimates, you know, because every kitchen is a little different. But based on the ingredients we used, here’s a general idea of what you’re getting per serving:
- Serving Size: 1 serving
- Calories: 450
- Fat: 30g
- Saturated Fat: 12g
- Unsaturated Fat: 18g
- Trans Fat: 1g
- Carbohydrates: 12g
- Fiber: 3g
- Sugar: 6g
- Protein: 30g
- Cholesterol: 100mg
- Sodium: 700mg
It’s pretty great to see how much protein you get, and the carb count stays nice and low!
Share Your Thoughts on this Low-Carb Oven Dish Recipe
So, what did you think? I’d absolutely LOVE to hear from you if you give this Low-Carb Oven Dish Recipe a try! Did you tweak it? Add something special? Did your family devour it? Let me know in the comments below – your experiences and tips really help other cooks out there!
PrintLow-Carb Oven Dish
A simple and satisfying low-carbohydrate meal baked in the oven.
- Prep Time: 15 min
- Cook Time: 30 min
- Total Time: 45 min
- Yield: 6 servings 1x
- Category: Dinner
- Method: Baking
- Cuisine: American
- Diet: Low-Carb
Ingredients
- 1 lb ground beef
- 1 onion, chopped
- 2 cloves garlic, minced
- 1 (15 oz) can diced tomatoes, undrained
- 1 (10 oz) can diced tomatoes and green chilies, undrained
- 1 cup shredded cheddar cheese
- 1/2 cup sour cream
- 1/4 cup mayonnaise
- 1 teaspoon chili powder
- 1/2 teaspoon cumin
- Salt and pepper to taste
Instructions
- Preheat your oven to 375°F (190°C).
- In a large skillet, brown the ground beef over medium-high heat. Drain off any excess grease.
- Add the chopped onion and minced garlic to the skillet. Cook until the onion is softened, about 5 minutes.
- Stir in the diced tomatoes, diced tomatoes and green chilies, chili powder, and cumin. Bring to a simmer and cook for 5 minutes.
- In a separate bowl, mix together the shredded cheddar cheese, sour cream, and mayonnaise.
- Spread the meat mixture evenly in a baking dish.
- Top the meat mixture with the cheese mixture.
- Bake for 20-25 minutes, or until the cheese is melted and bubbly.
- Season with salt and pepper before serving.
Notes
- You can add other low-carb vegetables like bell peppers or zucchini.
- For a spicier dish, add a pinch of cayenne pepper.
Nutrition
- Serving Size: 1 serving
- Calories: 450
- Sugar: 6g
- Sodium: 700mg
- Fat: 30g
- Saturated Fat: 12g
- Unsaturated Fat: 18g
- Trans Fat: 1g
- Carbohydrates: 12g
- Fiber: 3g
- Protein: 30g
- Cholesterol: 100mg
Keywords: low-carb, oven dish, ground beef, easy dinner, keto, casserole


