Cheesy Low Carb Philly Cheesesteak Casserole Recipe

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A Delicious Keto Twist on a Classic Sandwich

The Philly Cheesesteak is an iconic sandwich beloved for its juicy beef, sautéed peppers and onions, and gooey melted cheese. But what if you’re cutting carbs or following a ketogenic lifestyle? That’s where the Cheesy Low-Carb Philly Cheesesteak Casserole comes in—a creative, crave-worthy dish that captures all the flavor of the original without the bread.

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Introduction to Low-Carb Comfort Food

Comfort food is typically heavy on carbs—think pasta, bread, and rice—but that doesn’t mean you have to give it up entirely. With smart substitutions and fresh, wholesome ingredients, you can enjoy rich, satisfying meals without derailing your diet.

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Tips for Perfect Casserole Texture and Flavor

• Drain excess grease from the beef before mixing with cream cheese.

• Use room temperature cream cheese so it melts more easily.

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• Don’t overbake—you want juicy beef and melty cheese, not dried-out casserole.

• Use fresh shredded cheese instead of pre-shredded for better meltability.

Add-Ons and Customizations

Add Protein:

Add Veggies:

Make It Creamier:

Make-Ahead and Storage Instructions

Make-Ahead:

Reheat:

Common Mistakes and How to Avoid Them

Mistake: Using the wrong cut of beef

Fix: Stick to shaved steak, ribeye, or sirloin. Avoid stew meat or anything too tough.

Mistake: Greasy casserole

Fix: Drain the beef well after browning, especially if using higher-fat cuts.

Mistake: Watery texture

Fix: Sauté vegetables until they release moisture, and don’t cover while baking.

Variations: From Spicy to Mushroom-Lover’s Edition

Spicy Cheesesteak Casserole:

Mushroom Swiss Version:

Pizza Cheesesteak Bake:

Buffalo Cheesesteak Casserole:

Final Thoughts + Recipe Card Summary

The Cheesy Low-Carb Philly Cheesesteak Casserole delivers everything you love about the sandwich—but without the carbs. It’s a delicious, satisfying, and easy-to-make recipe that’s great for families, meal prep, or anyone looking for low-carb comfort food.

Prep Time
15 minutes

Cook Time
30 minutes

Total Time
45 minutes

Ingredients

• 1 ½ lbs ground beef (or thinly sliced ribeye if preferred)
• 2 tbsp olive oil (if using steak)
• 1 green bell pepper, diced
• 1 red bell pepper, diced
• 1 medium onion, diced
• 8 oz mushrooms, sliced
• 2 cloves garlic, minced
• ½ tsp salt
• ¼ tsp black pepper
• ½ tsp smoked paprika (optional)
• 4 oz cream cheese, softened
• 1 tbsp Worcestershire sauce
• 1 cup shredded provolone or mozzarella cheese
• ½ cup shredded cheddar (or more provolone for a milder flavor)

Instructions

1. Preheat Oven:
   Preheat your oven to 375°F (190°C).
2. Cook Meat and Veggies:
   In a large skillet over medium heat, cook ground beef until browned. Drain excess fat if needed.
   Add diced peppers, onions, mushrooms, and garlic. Cook for 5–7 minutes, until veggies are softened.
   Season with salt, pepper, and smoked paprika.
3. Add Cream Cheese and Flavorings:
   Stir in cream cheese and Worcestershire sauce until melted and well combined. Remove from heat.
4. Assemble Casserole:
   Transfer the beef mixture to a greased 9×13-inch baking dish.
   Sprinkle shredded provolone/mozzarella evenly on top.
   Add cheddar cheese over that for an extra cheesy top layer.
5. Bake:
   Bake uncovered for 15–20 minutes, until cheese is melted and bubbly.
   Optionally broil for 1–2 minutes for a golden top.
6. Serve:
   Let cool for a few minutes, then serve with a side salad or low-carb veggie like roasted broccoli or zucchini.

Notes

For steak lovers: Use thinly sliced ribeye or sirloin instead of ground beef. Sear quickly and set aside before cooking veggies, then combine before baking.

Make it spicy: Add diced jalapeños or a pinch of red pepper flakes.

Meal prep friendly: Keeps well in the fridge for 3–4 days and reheats great.

Keto Tip: Each serving is around 5–6g net carbs depending on veggies and cheese used.

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