High Protein Low Carb Philly Cheesesteak Casserole Recipe

Introduction

When you crave the flavor-packed experience of a classic cheesesteak but want to keep things nutritious, this High Protein Low Carb Philly Cheesesteak Casserole recipe delivers in full force. It captures all the robust tastes of its sandwich inspiration—savory beef, melty cheese, and caramelized peppers and onions—without the bread, making it both satisfying and light. This is a weeknight dinner winner, especially for anyone watching their carbs or aiming to boost their protein intake.

Why This Philly Cheesesteak Casserole is a Crowd Favorite

This dish seamlessly combines convenience with comfort food appeal. It’s a one-pan meal that turns a Philly classic into hearty, forkable layers of steak, veggies, and gooey cheese, perfect for meal prep, quick dinners, or serving a hungry group. Plus, it’s easy to adjust to fit your favorite veggies or spice preferences while sticking to your high protein, low carb goals.

The Secret to Big Philly Flavor (with Fewer Carbs)

Choosing thinly sliced sirloin or flank steak ensures juicy, tender bites and a generous protein punch. Sautéing onions, bell peppers, and mushrooms builds classic Philly cheesesteak flavor and adds valuable fiber without upping the carb count. The blend of cream cheese and provolone makes for a creamy, melty topping that keeps things rich and satisfying.

How to Layer the Perfect Cheesesteak Casserole

Start by cooking the vegetables until golden and slightly crisp, then brown the steak to lock in flavor. Layer everything in a casserole dish, spread a luscious cream cheese mixture on top, and finish with plenty of shredded provolone. Bake until bubbly and serve hot for the ultimate comfort meal that fits your macro goals.

Serving Suggestions for a Satisfying Philly Cheesesteak Casserole

Pair with a simple green salad, steamed broccoli, or roasted asparagus for an extra vegetable boost. It’s also great reheated for lunch throughout the week, making it a savvy meal prep option.

Nutritional Information and Serving Size

This recipe yields approximately 6 generous servings. Each serving packs about 35g of protein and stays under 8g net carbs, depending on your veggies and cheese brands. It’s a filling, macro-friendly meal that doesn’t sacrifice flavor for nutrition.

High Protein Low Carb Philly Cheesesteak Casserole (Recap)

You get all the steakhouse flavors you crave, minus the bun and the carb crash—just bold, melty, satisfying casserole you’ll want on repeat.

💡 Meal Planning Tip: Save this recipe to instantly generate a shopping list with all the ingredients, sorted by store aisle. Great for streamlined meal prep and fewer forgotten items.

Instructions

1. Preheat your oven to 400°F (200°C). Grease a 9×13-inch baking dish.
2. Heat olive oil in a large skillet over medium-high heat. Add onions, bell peppers, and mushrooms. Cook until soft and slightly caramelized, about 7-8 minutes. Remove vegetables and set aside.
3. Add steak to the same skillet, seasoning with salt, pepper, and garlic powder. Sear for 2-3 minutes, just until browned (don’t overcook). Remove from heat.
4. In a small bowl, mix cream cheese, sour cream (or Greek yogurt), and Worcestershire sauce until smooth.
5. Layer the sautéed vegetables and steak in the prepared baking dish. Spread the cream cheese mixture evenly over top.
6. Sprinkle shredded provolone cheese over everything. Add hot sauce or red pepper flakes if desired.
7. Bake for 18-20 minutes, until cheese is melted and bubbly. Let rest for 5 minutes, then serve.

Weekly Meal Planning

Make this casserole a star in your weekly menu plan. Save and schedule this recipe in your meal planner to automatically generate shopping lists that combine ingredients from all your planned meals—no more overbuying or missed ingredients.

Planning Benefits:

• Seamlessly tallies total amounts needed for multiple recipes
• Organizes shopping lists by section and store
• Makes it easy to see ingredient overlap (like steak, cheese, or veggies) across recipes
• Saves time and reduces food waste during meal prep

Pro tip: Use the schedule feature to optimize ingredient use and simplify your weeknight dinners, especially with high-protein, low-carb meals like this casserole.

Cook and Prep Times

Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes