Keto Chicken Alfredo with Broccoli Bake

Say Hello to Your New Favorite Comfort Food (Without the Carb Coma!)

Hey friend! Madison here, and I’ve got a confession: I used to dream about creamy, cheesy pasta dishes after going keto. You know the ones—the kind that hug your soul but leave you feeling like a stuffed noodle afterward? Yeah, me too. That’s why I’m SO pumped to share this Keto Chicken Alfredo with Broccoli Bake with you today. Imagine tender chicken and vibrant broccoli swimming in a garlicky Alfredo sauce that’s so rich, you’ll swear it’s sinful (spoiler: it’s totally not!). Topped with a golden blanket of melted cheese? Game. Changer.

This isn’t just another “meh” casserole. It’s my love letter to everyone who misses cozy Italian nights but refuses to sacrifice flavor for carbs. I tested this bad boy six times (my husband still jokes about the “Great Alfredo Flood of 2021”) to nail that perfect balance: luscious without being heavy, simple enough for a Wednesday night, yet fancy enough for date night. And the best part? Zero pasta regrets. Just pure, unapologetic joy in every bite. Ready to make your kitchen smell like an Italian grandma’s dream? Let’s do this!

That One Time Alfredo Saved Dinner (and My Sanity)

Picture it: A rainy Tuesday, two hangry kids, and me—fresh out of “fun mom” energy. My oldest, Liam, was deep in his “I only eat white foods” phase (ugh), and my attempt at keto pizza crust had just… disintegrated. Cue the meltdown (mine, not the pizza). In a panic, I threw chicken, broccoli, and the last of my heavy cream into a skillet. Twenty minutes later? Silence. Then, Liam mumbled through a mouthful of cheese: “This tastes like clouds, Mommy.

That messy, unplanned experiment became our family’s ultimate comfort food. Now, we call it “Cloud Bake”—and it’s our go-to when life feels chaotic. It’s proof that magic happens when you’re out of finesse but full of love (and Parmesan). Every time I pull it from the oven, I remember that soggy pizza night and grin. Take THAT, toddler tantrums.

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Keto Chicken Alfredo with Broccoli Bake

Creamy, cheesy, and oh-so-satisfying—this Keto Chicken Alfredo with Broccoli Bake is your low-carb answer to comfort food. Loaded with juicy chicken, tender broccoli, and a rich, garlicky Alfredo sauce, it’s baked to golden perfection and packed with flavor in every bite.

  • Author: MadisonReynolds
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Total Time: 50 minutes
  • Yield: 6 1x
  • Category: dinner

Ingredients

Scale

3 tbsp butter, divided

2.5 lbs boneless, skinless chicken breast, sliced

½ tsp salt

¼ tsp black pepper

2 tbsp chicken broth

12 oz frozen broccoli (steam bag)

3 garlic cloves, minced

1 oz cream cheese, softened

1 cup heavy whipping cream

½ tsp Italian seasoning

⅔ cup grated Parmesan cheese

¼ cup grated Pepper Jack cheese

¾ cup grated Mozzarella cheese

¼ tsp dried basil

Instructions

Preheat oven to 375°F (190°C). Lightly grease a baking dish.

Steam broccoli per package instructions and set aside.

In a large skillet, melt 2 tbsp butter. Season and sear chicken until browned and cooked through. Remove from pan.

In the same pan, melt remaining butter. Add garlic and cook until fragrant.

Stir in cream cheese and chicken broth until smooth. Pour in heavy cream and seasonings. Simmer for 2–3 minutes.

Stir in Parmesan and Pepper Jack until melted into the sauce.

Add chicken and broccoli to the sauce, then transfer to the baking dish.

Top with mozzarella and a sprinkle of basil. Bake for 20 minutes or until bubbly and golden.

Let rest for 5 minutes before serving.

Nutrition

  • Calories: ~460
  • Fat: 32g
  • Carbohydrates: 6g
  • Protein: 40g

Did you make this recipe?

Share a photo and tag us — we can’t wait to see what you’ve made!

Your Kitchen Dream Team (Plus Swaps for Real Life!)

  • 3 tbsp butter, divided – Our flavor foundation! Divided for searing chicken + building sauce. Swap: Ghee works great if you’re dairy-sensitive.
  • 2.5 lbs boneless, skinless chicken breast, sliced – Slice thin for quick cooking! Chef hack: Use thighs for extra juiciness.
  • ½ tsp salt + ¼ tsp black pepper – Season like you mean it! Always salt chicken before searing.
  • 2 tbsp chicken broth – Deglazes the pan = bonus flavor bits! No broth? Water + pinch of salt works.
  • 12 oz frozen broccoli (steam bag) – Weeknight MVP! Steam right in the bag. Fresh? Chop florets small!
  • 3 garlic cloves, minced – Non-negotiable for that “OMG” aroma. Lazy? 1 tsp jarred minced garlic.
  • 1 oz cream cheese, softened – Secret weapon for silky sauce! Soften it or risk lumps.
  • 1 cup heavy whipping cream – The creamy backbone. For dairy-free: Cashew cream + nutritional yeast.
  • ½ tsp Italian seasoning – Herby vibes. Rub it between your fingers to wake up the oils!
  • ⅔ cup grated Parmesan – Buy block + grate yourself—no anti-caking junk! Pepper Jack – Adds a subtle kick! Swap: Monterey Jack for mild.
  • ¾ cup grated Mozzarella – Our gooey top layer! Pre-shredded? Toss with 1 tsp arrowroot to prevent gumminess.
  • ¼ tsp dried basil – Pretty + aromatic. Sprinkle post-bake for freshness!

Let’s Build That Cheesy Masterpiece (No Stress Allowed!)

Step 1: Preheat oven to 375°F (190°C). Lightly grease a 9×13 baking dish. → Pro tip: Use butter or avocado oil spray—no sticking!

Step 2: Steam broccoli per package instructions. Drain WELL—soggy broccoli = watery bake! Set aside. → Hack: Toss hot broccoli with paper towels to absorb moisture.

Step 3: Melt 2 tbsp butter in a large skillet over medium-high heat. Season chicken with salt + pepper. Sear 5-7 mins until golden and cooked through. DON’T crowd the pan—work in batches! Remove chicken. → Golden rule: That brown crust = FLAVOR GOLD. Don’t rush it!

Step 4: In the same skillet (keep those tasty bits!), melt remaining 1 tbsp butter. Add garlic—sizzle 30 seconds until fragrant but not brown! → Burnt garlic = bitter sadness. Watch it like a hawk!

Step 5: Reduce heat to medium. Whisk in cream cheese + chicken broth until smooth. Slowly pour in heavy cream + Italian seasoning. Simmer 2-3 mins, stirring constantly. Sauce should coat the back of a spoon. → Too thick? Splash in broth. Too thin? Simmer 1 more min.

Step 6: Kill the heat! Stir in Parmesan + Pepper Jack until melted and creamy. Taste—add extra salt if needed. → Cheese sauce too grainy? Whisk in 1 tbsp cream + heat gently.

Step 7: Add chicken + broccoli to sauce. Gently fold until coated. Transfer to baking dish. Top with mozzarella + dried basil. → Wanna get fancy? Add extra Parmesan for crunch!

Step 8: Bake 20 mins until bubbly and golden. REST 5 mins before serving—this lets the sauce thicken! → Impatient? I see you. But trust me, it’s worth the wait.

How to Serve It Like a Boss

Scoop this beauty into shallow bowls—it’s all about those layers! Garnish with fresh parsley or red pepper flakes for color. Pair with a crisp side salad (hello, lemon vinaigrette!) to cut the richness. For a fun twist, serve in roasted bell pepper “bowls” for extra veggie power. Leftovers? Pile it into omelets or low-carb tortillas. Yes, it’s that versatile!

Shake It Up! 5 Delicious Twists

  1. Seafood Sensation: Swap chicken for shrimp + scallops. Add Old Bay seasoning!
  2. Mushroom Lover’s: Sauté 8 oz sliced mushrooms with the garlic. Earthy heaven!
  3. Spicy Arrabbiata: Stir 2 tbsp sugar-free marinara + red pepper flakes into the sauce.
  4. Bacon Bomb: Top with crumbled bacon before baking. Because bacon makes everything better.
  5. Veggie-Packed: Add roasted cauliflower or zucchini noodles (squeeze dry first!).

Madison’s Kitchen Confessions

This recipe evolved from my “clean out the fridge” desperation meal! Version 1.0 involved jarred Alfredo (shhh) and sad, overcooked broccoli. Now? It’s my most-requested dish for potlucks—even non-keto friends beg for the recipe! A funny fail: Once I subbed cayenne for Italian seasoning (note to self: label spice jars). We called it “Firestorm Bake” and drank a LOT of water. Lesson learned! Over time, I realized the sauce is forgiving—if it breaks, whisk in 1 tsp gelatin dissolved in broth. Saved dinner more times than I’d like to admit!

Your Burning Questions, Answered!

Q: Can I make this ahead?
A: Absolutely! Assemble (without baking), cover, and refrigerate 1-2 days. Add 5-10 mins to bake time. Freeze unbaked for up to 3 months—thaw overnight first.

Q: Why is my sauce grainy?
A: High heat is the culprit! Cheese sauces hate boiling. Keep it at a gentle simmer, and add cheese OFF the heat. If it happens, blend with 1 tbsp cream.

Q: Broccoli too mushy?
A: Don’t over-steam! Frozen broccoli usually needs 4-5 mins. Shock it in ice water post-steam to lock in texture.

Q: Carbs seem high—is this keto?
A: Totally! Net carbs are ~4g/serving (6g total – 2g fiber). Broccoli’s fiber is your friend!

Nutritional Per Serving (Because Knowledge is Power!)

Prep: 15 mins | Cook: 35 mins | Total: 50 mins | Servings: 6
Per Serving: Calories: ~460 | Protein: ~40g | Fat: ~32g | Carbs: ~6g | Fiber: ~2g | Net Carbs: ~4g
Keto-friendly | Gluten-free | Sugar-free

This Keto Chicken Alfredo with Broccoli Bake is the ultimate comfort food transformation. Rich, creamy, and topped with melted cheese, it satisfies all your pasta cravings without the carb overload. Whether you’re meal prepping for the week, feeding a family, or impressing guests, this dish is a guaranteed winner. At only 4g net carbs per serving, you can indulge in this cheesy, garlicky masterpiece without the guilt. Plus, it’s easily customizable, from swapping in shrimp to loading it with extra veggies—comfort food just got a keto glow-up!

 

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