Keto Millionaire Chicken Casserole

This Keto Millionaire Chicken Casserole is rich, cozy, and the kind of weeknight bake that gets scraped clean. It’s creamy from cream cheese and sour cream, loaded with tender chicken and melty cheddar, and finished with a savory pork rind crunch.

It sounds fancy, but it’s a toss-and-bake dinner you can make with rotisserie chicken. The texture is ultra satisfying, the flavors are familiar, and the prep is simple enough for a busy night.

Why this keto casserole works

The magic is in the sauce. Softened cream cheese blends with sour cream, a touch of mayo, and chicken broth for a smooth, scoopable base that won’t dry out. Cheddar and mozzarella melt into that sauce, so every bite is creamy and stretchy.

For crunch, we skip breadcrumbs and use buttery pork rinds and Parmesan. Bacon adds smoky saltiness, and a little smoked paprika ties everything together. It’s hearty without being heavy, and it reheats like a dream.

Ingredients you’ll need

Simple pantry staples keep this low carb. Rotisserie chicken is a fast shortcut, and pork rinds make the best crispy topping.

• 4 cups cooked shredded chicken, rotisserie or poached, well drained
• 8 oz cream cheese, softened
• 1/2 cup sour cream
• 1/3 cup mayonnaise
• 1/2 cup chicken broth, low sodium
• 1 1/2 cups shredded sharp cheddar cheese, divided
• 1/2 cup shredded mozzarella cheese
• 6 slices bacon, cooked and crumbled, divided
• 2 tbsp unsalted butter, melted
• 1 cup crushed pork rinds, about 2 oz, fine crumbs
• 2 tbsp grated Parmesan cheese
• 2 cloves garlic, minced
• 1 tsp onion powder
• 1 tsp smoked paprika, divided
• 1/2 tsp kosher salt, or to taste
• 1/2 tsp black pepper
• 2 tbsp green onions, chopped, plus extra for garnish

How to make Keto Millionaire Chicken Casserole

Stir together the creamy sauce, fold in chicken and bacon, top with a crunchy pork rind mix, and bake until bubbly and golden.

1. Preheat the oven to 375°F (190°C). Lightly grease a 9×13-inch baking dish.
2. In a large bowl, whisk the softened cream cheese, sour cream, and mayonnaise until smooth. Slowly whisk in the chicken broth until the mixture is creamy.
3. Stir in the minced garlic, onion powder, 1/2 teaspoon smoked paprika, salt, and black pepper. Fold in 1 cup cheddar and all the mozzarella.
4. Add the shredded chicken, 1/3 cup of the crumbled bacon, and the chopped green onions. Mix until the chicken is evenly coated.
5. Spread the mixture into the prepared baking dish and smooth the top. Sprinkle the remaining 1/2 cup cheddar over the surface.
6. In a small bowl, combine crushed pork rinds, Parmesan, melted butter, and the remaining 1/2 teaspoon smoked paprika until sandy and evenly moistened.
7. Sprinkle the pork rind mixture evenly over the casserole.
8. Bake for 20 to 25 minutes, until the edges are bubbling and the topping is golden.
9. Remove from the oven and rest for 10 minutes to set. Scatter the remaining crumbled bacon and extra green onions over the top.
10. Serve warm, scooping generous portions so you get creamy filling and crunchy topping in every bite.

Storage, make-ahead, and reheating

Refrigerate leftovers in an airtight container for 3 to 4 days. The topping softens in the fridge, but it crisps up again under the broiler. For make-ahead, assemble the casserole without the pork rind topping, cover, and chill up to 24 hours. Add the topping right before baking.

Reheat individual portions in the microwave for 60 to 90 seconds, then broil 1 to 2 minutes to refresh the crust. For the whole dish, cover with foil and warm at 325°F (165°C) for 15 to 20 minutes, then uncover and broil briefly.

Common mistakes to avoid

• Using very watery chicken: If your chicken is freshly boiled, pat it dry so the sauce stays thick and creamy.
• Skipping the soften step: Cold cream cheese won’t blend smoothly. Soften it so the sauce turns silky.
• Adding the topping too early: If making ahead, wait to add pork rinds or they can get soggy.
• Overbaking: Pull it when the edges bubble and the top is golden. Overbaking can make the chicken stringy.
• Underseasoning: Taste the sauce before baking. A pinch more salt or paprika can wake it up.

Easy variations and swaps

• Jalapeño popper style: Add 1 to 2 chopped jalapeños and extra bacon. For heat lovers, try this full-on version: creamy jalapeño popper chicken casserole.
• Veggie boost: Fold in 1 cup small broccoli florets, lightly steamed and well dried.
• No pork rinds: Use a mix of almond flour and Parmesan with melted butter for a similar crunch.
• Cheese swap: Try pepper jack for a gentle kick or Gruyère for a nutty note.
• Serving ideas: Pair it with one of these easy keto side dishes or add a simple green salad.

What to serve with it

This casserole is rich, so a crisp side keeps the plate balanced. I like roasted asparagus or a lemony arugula salad. If you want something bread-like for soaking up the sauce, make these buttery keto biscuits. For a quick stovetop veggie-and-protein plate on busy nights, try my 20-minute chicken zucchini skillet.

Keto Millionaire Chicken Casserole FAQs

Can I use canned chicken?

Yes. Drain it very well and pat it dry, then flake before mixing. The texture is a bit finer than rotisserie, but it works and keeps the carbs low.

What can I use instead of pork rinds for the topping?

Mix 1/3 cup almond flour with 2 tablespoons grated Parmesan and 1 tablespoon melted butter. Sprinkle over the casserole for a toasty, low carb crunch.

Can I freeze this casserole?

Yes, freeze it unbaked without the topping for up to 2 months. Thaw in the fridge overnight, add the topping, and bake as directed, adding 5 to 10 minutes if needed.

How many carbs are in a serving?

Exact numbers vary by brands, but this casserole averages about 5 to 6g net carbs per serving. Check your labels, especially for cream cheese, mayo, and broth.

Why is it called “millionaire” chicken?

It’s a nod to the ultra-creamy, extra indulgent texture. Think rich sauce, plenty of cheese, and a crunchy, buttery topping that feels a little luxurious.

Final thoughts

If you love cozy, bubbly casseroles, this one earns a spot in your rotation. It’s simple to prep, rich without fuss, and the leftovers are just as good the next day. Save this for a night when you want comfort with almost no effort.