High Protein Rotisserie Chicken Broccoli Casserole

Need dinner that hits protein goals, tastes amazing, and doesn’t hog your evening? This High Protein Rotisserie Chicken Broccoli Casserole brings juicy chicken, crisp-tender broccoli, and a creamy, cheesy sauce together in under an hour. We’re talking meal-prep gold that reheats like a dream. Grab a rotisserie bird, raid your pantry, and let’s make your weeknight feel suspiciously easy.

Why This Casserole Slaps (Nutritionally And Flavor-Wise)

You get serious protein thanks to rotisserie chicken, Greek yogurt, and a cozy blanket of cheese. Broccoli adds fiber and vitamins, while a smarter sauce keeps things creamy without going overboard on butter. The result? Comfort food energy with gym-friendly macros. FYI, it also vanishes at potlucks like a magic trick.

What You’ll Need (Pantry And Fridge Check)

• Rotisserie chicken, shredded (about 4 cups)
• Broccoli florets, fresh or frozen (about 5 cups)
• Greek yogurt (1 cup, 2% or nonfat)
• Low-fat cottage cheese (1 cup, blended smooth; optional but clutch for protein)
• Reduced-sodium chicken broth (3/4 cup)
• Light cream cheese (4 oz, softened)
• Shredded cheddar (1 1/2 cups, divided)
• Parmesan (1/4 cup, grated)
• Olive oil or avocado oil (1 tbsp)
• Onion (1 small, diced)
• Garlic (3 cloves, minced)
• Dijon mustard (2 tsp)
• Smoked paprika (1/2 tsp)
• Black pepper (to taste)
• Kosher salt (to taste; go light if your chicken is salty)
• Optional crunch: 1/2 cup panko mixed with 1 tsp olive oil

Prep Like A Pro (Minimal Effort, Maximum Payoff)

Quick Broccoli Hack

• Fresh: Steam or microwave florets until bright green and just tender, 3–4 minutes. Drain well.
• Frozen: Microwave until thawed, then squeeze out extra water with a clean towel. Soggy broccoli equals sad casserole.

Chicken, Meet Shredder

• Remove skin (or keep a little for flavor, IMO).
• Shred breast and thigh meat into bite-size pieces. Aim for even shreds so every bite cooks evenly.

The Sauce: Creamy, Tangy, Protein-Packed

This isn’t your grandma’s can-of-soup situation. We build flavor with aromatics and a silky blend that keeps protein high.

1. Heat oil in a skillet over medium. Sauté diced onion 3–4 minutes until translucent. Add garlic and cook 30 seconds until fragrant.
2. Lower heat. Stir in cream cheese until melty.
3. Blend cottage cheese and Greek yogurt until smooth (hand blender or regular blender). Stir into skillet.
4. Whisk in chicken broth, Dijon, smoked paprika, pepper, and a pinch of salt. Simmer 2–3 minutes until slightly thickened.
5. Stir in 1 cup shredded cheddar until just melted. Taste and adjust seasoning.

Assemble And Bake

1. Preheat oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
2. In a large bowl, combine shredded chicken and broccoli. Pour sauce over and toss to coat.
3. Transfer to baking dish. Top with remaining 1/2 cup cheddar and Parmesan. Add panko if using.
4. Bake 18–22 minutes until bubbly at edges. Broil 1–2 minutes for extra golden top (watch closely).
5. Rest 5–10 minutes. This helps it set so servings don’t do the slide-of-shame.

Ingredients, Instructions, And Nutrition At A Glance

Ingredients

• 4 cups shredded rotisserie chicken
• 5 cups broccoli florets (fresh or frozen, drained)
• 1 cup Greek yogurt (2% or nonfat)
• 1 cup low-fat cottage cheese (blended)
• 3/4 cup reduced-sodium chicken broth
• 4 oz light cream cheese
• 1 1/2 cups shredded cheddar, divided
• 1/4 cup grated Parmesan
• 1 tbsp olive oil
• 1 small onion, diced
• 3 garlic cloves, minced
• 2 tsp Dijon mustard
• 1/2 tsp smoked paprika
• Salt and black pepper to taste
• Optional: 1/2 cup panko + 1 tsp olive oil

Instructions

1. Prep broccoli (steam or thaw and drain). Shred rotisserie chicken.
2. Sauté onion in oil; add garlic. Melt in cream cheese.
3. Blend cottage cheese and yogurt; stir into skillet with broth, Dijon, paprika, pepper, salt. Simmer.
4. Stir in 1 cup cheddar until smooth.
5. Toss sauce with chicken and broccoli; spread in 9×13 dish.
6. Top with remaining cheddar, Parmesan, and optional panko.
7. Bake at 375°F for 18–22 minutes; broil briefly to brown. Rest before serving.

Nutrition (Per Serving, 8 Servings)

• Calories: ~310
• Protein: ~33g
• Carbs: ~10g (2–3g fiber)
• Fat: ~14g
• Sodium: Variable by rotisserie chicken; choose reduced-sodium where possible

Numbers will shift based on cheese choices and how generous you get with that topping. But the protein? Rock solid.

Flavor Upgrades And Smart Swaps

Make It Extra

• Herb bomb: Stir in chopped parsley and chives before baking.
• Heat: Add red pepper flakes or a splash of hot sauce to the sauce.
• Mushroom moment: Sauté sliced creminis with the onions for umami glory.
• Crunch factor: Almond flour + grated Parm for a gluten-free topping that still crisps.

Dietary Tweaks

• Gluten-free: Skip panko or use GF crumbs. Everything else plays nice.
• Lower fat: Use nonfat Greek yogurt, skip Parmesan, and use part-skim cheddar.
• Keto-ish: Keep the cheeses full-fat and watch the onions; you’re still good here.

Meal Prep, Storage, And Reheating

• Fridge: 4 days in an airtight container. The flavors get even friendlier.
• Freezer: Freeze tightly wrapped (unbaked or baked) up to 3 months. Thaw overnight.
• Reheat: 350°F for 15–20 minutes or microwave in 60–90 second bursts. Add a splash of broth if it looks thirsty.

Serving Ideas That Don’t Steal The Show

• High-protein bowl: Scoop over quinoa or cauliflower rice.
• Green crunch: Simple side salad with lemony vinaigrette.
• Garlic toast: For the carb-loving crowd at your table.

FAQ

Can I use canned chicken instead of rotisserie?

You can, but rotisserie brings juiciness and savory depth. If you go canned, drain well and add a pinch more salt, pepper, and smoked paprika to compensate.

Do I have to blend the cottage cheese and yogurt?

Short answer: blend it. You’ll get a silky sauce that feels indulgent. Skipping the blend still works, but you’ll see curds and the texture won’t hit the same, IMO.

How do I keep the broccoli from turning mushy?

Par-cook it just to crisp-tender and drain aggressively. Extra water dilutes the sauce and steams the whole dish into meh. Dry broccoli equals happy casserole.

What cheese melts best here?

Sharp cheddar brings flavor, while a little Parmesan adds salty nuttiness. If you want stretch, swap in part-skim mozzarella for half the cheddar. Avoid pre-shredded if you can—anti-caking agents fight meltiness.

Can I make it dairy-free?

Use unsweetened almond or cashew yogurt, a thick dairy-free cream cheese, and your favorite melty plant-based cheddar. Add nutritional yeast for savory kick. It won’t be identical, but it still satisfies.

How can I boost the protein even more?

Stir in an extra cup of chicken or add 1/2 cup unflavored whey isolate to the sauce (whisk it in off the heat to avoid clumps). You’ll turn this casserole into a legit macro monster.

Final Bite

This High Protein Rotisserie Chicken Broccoli Casserole nails that sweet spot between cozy and clean. You get golden, cheesy comfort with the kind of macros that make your fitness tracker clap. Make it once, and it’ll slide into your weekly rotation faster than you can say “meal prep hero,” FYI.