This Philly Cheesesteak Casserole is undoubtedly one of those dishes that quickly become a regular part of your supper routine. My sister kept telling me how simple and tasty this meal was, so last weekend I actually tried it with my family. I eventually gave it a try because she knows I’m often searching for hearty meals that don’t require hours in the kitchen, and I’m really happy I did.
The kitchen smelled amazing as soon as it was taken out of the oven. Everyone was wondering, “Is dinner ready yet?” as they wandered into the kitchen to sample the combination of seasoned meat, sautéed peppers and mushrooms, and that bubbly, golden layer of melted cheese…
Anti-Inflammatory Philly Cheesesteak Casserole
Description
This Anti-Inflammatory Philly Cheesesteak Casserole is a wholesome twist on the classic sandwich, packed with lean protein, colorful vegetables, and creamy, melted cheese. By using grass-fed beef, antioxidant-rich vegetables, anti-inflammatory herbs, and simple whole-food ingredients, this casserole delivers all the comforting flavors of a traditional Philly cheesesteak without the processed bread or unhealthy additives.
Perfect for busy weeknights, meal prep, or low-carb lifestyles, this hearty casserole is naturally gluten-free, keto-friendly, and family-approved.
Prep Time
- Prep: 15 minutes
- Cook: 30 minutes
- Total Time: 45 minutes
Servings: 6
Ingredients
Protein
- 1½ pounds lean grass-fed ground beef (or thinly sliced sirloin)
- 1 tablespoon avocado oil
Vegetables
- 1 large green bell pepper, diced
- 1 medium onion, diced
- 8 ounces mushrooms, sliced
- 3 cloves garlic, minced
Seasonings
- 1 teaspoon sea salt
- ½ teaspoon black pepper
- 1 teaspoon paprika
- 1 teaspoon onion powder
- ½ teaspoon garlic powder
- 1 teaspoon Italian seasoning
- ½ teaspoon turmeric (optional for extra anti-inflammatory benefits)
Creamy Base
- 6 ounces plain Greek yogurt or softened cream cheese
- ¼ cup low-sodium beef broth
Cheese
- 1½ cups shredded mozzarella
- 1 cup shredded sharp cheddar
- 4 slices provolone cheese (optional)
Garnish
- Fresh parsley
- Cracked black pepper
Instructions
Step 1
Preheat oven to 375°F (190°C).
Lightly grease a 9×13-inch baking dish.
Step 2
Heat avocado oil in a large skillet over medium-high heat.
Brown the beef until cooked.
Drain excess grease if necessary.
Step 3
Add:
- onions
- mushrooms
- bell peppers
Cook 5–6 minutes until tender.
Stir in garlic.
Cook another minute.
Step 4
Season with:
- paprika
- garlic powder
- onion powder
- Italian seasoning
- turmeric
- salt
- pepper
Mix well.
Step 5
Reduce heat.
Stir in Greek yogurt (or cream cheese) and beef broth until creamy.
Step 6
Transfer mixture into prepared casserole dish.
Top evenly with:
- mozzarella
- cheddar
- provolone
Step 7
Bake for 20 minutes.
Broil 2–3 minutes until golden and bubbly.
Step 8
Rest 5 minutes before serving.
Garnish with parsley.
Serving Suggestions
Serve alongside:
- Roasted broccoli
- Garlic cauliflower mash
- Steamed asparagus
- Mixed greens salad
- Roasted Brussels sprouts
- Cauliflower rice
- Zucchini noodles
- Cucumber salad
Anti-Inflammatory Benefits
Grass-Fed Beef
Rich in:
- Omega-3 fats
- Zinc
- Iron
- Vitamin B12
Bell Peppers
Loaded with:
- Vitamin C
- Carotenoids
- Antioxidants
Mushrooms
Contain:
- Selenium
- Ergothioneine
- Immune-supporting compounds
Garlic
Naturally contains allicin, known for supporting heart health and reducing inflammation.
Turmeric
Curcumin may help reduce inflammation and oxidative stress.
Greek Yogurt
Provides:
- Protein
- Calcium
- Probiotics
Variations
Keto Version
Use full-fat cream cheese.
Add extra provolone.
Dairy-Free
Replace cheese with dairy-free mozzarella.
Use coconut yogurt.
Extra Veggies
Add:
- spinach
- zucchini
- kale
- broccoli
Spicy
Mix in:
- jalapeños
- cayenne pepper
- crushed red pepper flakes
Chicken Version
Replace beef with shredded chicken.
Turkey Version
Use lean ground turkey.
Storage
Refrigerate:
Up to 4 days
Freeze:
Up to 3 months
Reheat:
Bake at 350°F for 15–20 minutes or microwave individual portions for 2–3 minutes.
Nutrition (Approximate Per Serving)
- Calories: 390
- Protein: 34g
- Carbohydrates: 8g
- Fiber: 2g
- Net Carbs: 6g
- Fat: 24g
- Saturated Fat: 10g
- Cholesterol: 95mg
- Sodium: 520mg
- Potassium: 620mg
- Calcium: 280mg
- Iron: 3.5mg
- Vitamin C: 55% DV
Frequently Asked Questions
Can I make this ahead of time?
Yes. Assemble the casserole up to 24 hours in advance, refrigerate, and bake when ready.
Can I freeze it?
Yes. Freeze before or after baking for up to 3 months. Thaw overnight in the refrigerator before reheating.
Is this casserole keto-friendly?
Yes. With approximately 6g net carbs per serving, it fits well into most ketogenic eating plans.
What is the best cheese for Philly cheesesteak casserole?
A combination of provolone, mozzarella, and sharp cheddar creates a creamy, flavorful topping. White American cheese is another popular option.
Can I use sliced steak instead of ground beef?
Absolutely. Thinly sliced ribeye or sirloin gives the casserole a more traditional Philly cheesesteak flavor.
How do I make it spicier?
Add sliced jalapeños, crushed red pepper flakes, or a pinch of cayenne pepper to the beef mixture.
Final Thoughts
This Anti-Inflammatory Philly Cheesesteak Casserole delivers all the savory flavors of a classic cheesesteak in a nourishing, low-carb bake that’s easy to prepare and ideal for meal prep. Made with lean grass-fed beef, antioxidant-rich vegetables, and wholesome ingredients, it offers a balanced combination of protein, healthy fats, and comforting flavor. Whether you’re following a keto, gluten-free, or anti-inflammatory eating pattern, this casserole is a satisfying option that can be customized to suit your preferences and enjoyed any night of the week.
