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Photo of Keto Meatloaf sitting on mashed cauliflower on a white plate garnished with basil.
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5 from 2 votes

Keto Meatloaf

Meatloaf is always a good idea, and it doesn’t get much better than this one! Cheesy, gooey, and flavor-packed, this is comfort food at its best. The cayenne pepper gives this a nice kick - if you are serving this to small children you may want to either reduce or eliminate it.
Prep Time15 mins
Cook Time1 hr
Total Time1 hr 15 mins
Course: Main Course
Cuisine: American
Keyword: spicy
Servings: 6
Calories: 380kcal
Author: Wendy Polisi


  • 1 ½ pounds ground beef
  • 1 large egg beaten
  • ½ onion chopped fine
  • 2 ounces Parmesan cheese shredded
  • 2 ounces Mozzarella cheese shredded
  • 2 cloves garlic minced
  • 1 teaspoon Italian seasoning
  • 1 teaspoon sea salt
  • ½ teaspoon fresh ground pepper
  • ¼ teaspoon cayenne pepper more or less to taste.



  • Preheat oven to 375 degrees.
  • Place ground beef in a large bowl and add egg, onion, Parmesan cheese, mozzarella cheese, garlic, Italian seasoning, salt, ground pepper, and cayenne pepper.
    Photo of ground beef, onion, egg, Parmesan cheese and seasonings being mixed together in a white bowl.
  • Form a loaf in a loaf pan and bake for 40 to 50 minutes.
    Photo of meatloaf in a dark loaf pan ready for the oven.
  • Meanwhile, while the meatloaf is cooking, combine tomato sauce, brown sugar substitute, Dijon mustard, smoked paprika, and liquid smoke in a small bowl. Whisk together to combine.
    Photo of the ingredients for the meatloaf sauce in small white prep bowls.
  • Add half of the sauce and bake for 20 minutes longer.
    Photo of meatloaf with the sauce on it ready to go back into the oven.
  • Serve with remaining sauce on the side.


Calories: 380kcal | Carbohydrates: 6g | Protein: 26g | Fat: 28g | Saturated Fat: 11g | Cholesterol: 121mg | Sodium: 875mg | Potassium: 454mg | Fiber: 1g | Sugar: 1g | Vitamin A: 510IU | Vitamin C: 3.1mg | Calcium: 197mg | Iron: 3mg