Keto Low-Carb Philly Cheese Steak Casserole

Keto Low-Carb Philly Cheese Steak Casserole

Indulge in the savory flavors of a classic Philly cheese steak while sticking to your low-carb and keto diet with this delicious Philly Cheese Steak Casserole. Packed with tender strips of beef, sautéed peppers and onions, and a creamy cheese sauce, this casserole is the perfect comfort food without the guilt. In this detailed guide, we’ll provide you with the recipe, prep time, cook time, serving size, and full nutrition values to make your keto journey both tasty and nutritious.


  • 1.5 lbs of thinly sliced beef (ribeye or sirloin works best)
  • 2 tablespoons olive oil
  • 1 medium onion, thinly sliced
  • 2 bell peppers (green and red), thinly sliced
  • 2 cloves garlic, minced
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/2 teaspoon dried oregano
  • 1/2 teaspoon dried thyme
  • 1/2 cup beef broth
  • 1 cup heavy cream
  • 1 cup shredded provolone cheese
  • 1 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese


  1. Preheat your oven to 375°F (190°C).
  2. Warm the olive oil in a large skillet over medium-high heat. Add the sliced onions and bell peppers and sauté until they start to soften, about 5 minutes.
  3. Add the minced garlic, salt, black pepper, dried oregano, and dried thyme to the skillet. Cook for 2 minutes more, or until aromatic.
  4. Push the onion and pepper mixture to one side of the skillet and add the thinly sliced beef to the other side. Cook, tossing periodically, until the steak is browned. This should take about 3-4 minutes.
  5. Pour the beef broth into the skillet and let it simmer for another 2-3 minutes, allowing the flavors to meld.
  6. In a separate saucepan, heat the heavy cream over low heat. Once it’s warmed through, stir in the provolone, mozzarella, and Parmesan cheeses. The sauce should be smooth and the cheese should be melted.
  7. Combine the sautéed beef and vegetable mixture with the cheese sauce, ensuring everything is well-coated.
  8. Transfer the mixture to a greased 9×13-inch baking dish, spreading it evenly.
  9. Bake in the preheated oven for 20-25 minutes, or until the casserole is bubbly and the top is golden brown.

Cook Time: Approximately 45 minutes (including prep time)

Servings: This recipe yields 6 servings.

Nutrition Values (per serving):

  • Calories: 420 kcal
  • Total Fat: 32g
  • Saturated Fat: 16g
  • Trans Fat: 0g
  • Cholesterol: 136mg
  • Sodium: 558mg
  • Total Carbohydrates: 7g
  • Dietary Fiber: 1g
  • Sugars: 3g
  • Protein: 28g

Nutritional Notes:

  • This Philly Cheese Steak Casserole is low in carbs, making it suitable for keto diets.
  • It’s rich in protein, which helps you feel full and satisfied.
  • The cheese provides healthy fats and contributes to the creamy texture.

Indulging in a keto or low-carb lifestyle doesn’t mean sacrificing your favorite comfort foods. This Keto Low-Carb Philly Cheese Steak Casserole is proof that you can enjoy the flavors of a classic Philly cheese steak while staying true to your dietary goals. With a prep time of just 20 minutes and a cook time of 25 minutes, this recipe is not only delicious but also convenient for busy weeknights. Each serving packs in all the savory goodness you crave with minimal carbs, making it the perfect addition to your keto meal rotation. So, go ahead and savor every bite of this cheesy, savory, and satisfying casserole without any guilt!

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