Chicken Spinach & Mushroom Low Carb

The first time I made this chicken and spinach bake, my apartment smelled so incredible that my neighbor actually knocked on my door to ask what I was cooking. I hadnt planned on company, but that night ended up turning into an impromptu dinner party with everyone scraping their plates clean.

My sister-in-law is strictly low-carb and always complains about dry chicken dishes, so when I served this at a family gathering, she literally asked me three times if I was sure it fit her diet. Watching her go back for seconds while explaining how she could finally enjoy a comforting casserole again made my entire week.

Ingredients

• 2 cups cooked chicken breast: A rotisserie chicken from the grocery store works perfectly here, just shred it into bite-sized pieces
• 4 cups fresh spinach: Don't worry about the huge volume, it cooks down dramatically and adds such a beautiful color to the dish
• 2 cups sliced mushrooms: Button mushrooms absorb flavors beautifully, but cremini add an extra earthy depth if you want more complexity
• 1 small onion, finely chopped: The onion becomes sweet and tender as it roasts, balancing the savory elements
• 3 cloves garlic, minced: Fresh garlic makes all the difference here, avoid the pre-minced stuff in jars
• 1 cup shredded mozzarella cheese: Creates that irresistible melted blanket on top that everyone loves
• 1/4 cup grated parmesan cheese: Adds a salty, nutty finish that cuts through the rich cream
• 1/2 cup heavy cream: This is the magic ingredient that transforms everything into a velvety sauce without any starch
• 2 tablespoons olive oil: Use this for sautéing your vegetables, it adds a lovely fruitiness
• 1 teaspoon Italian seasoning: A blend of dried herbs like oregano, basil, and thyme brings everything together
• Salt and pepper: Taste as you go, the parmesan already brings saltiness so be careful not to overdo it

Instructions

Preheat your oven:

Set it to 375°F and grab a 9x13 inch baking dish, giving it a quick coating of oil or cooking spray

Sauté the vegetables:

Heat olive oil in a large skillet and cook your onions and mushrooms for about 7 minutes until theyre soft and starting to turn golden

Add the aromatics:

Throw in the garlic for just one minute until fragrant, then toss in all that spinach and watch it wilt down

Season your mixture:

Sprinkle in salt, pepper, and Italian seasoning, giving everything a good stir to coat evenly

Build your layers:

Spread the chicken across your prepared dish first, then pile all those sautéed vegetables on top

Add the creamy element:

Drizzle that heavy cream right over the surface, letting it seep down through all the layers

Finish with cheese:

Sprinkle both the mozzarella and parmesan generously across the entire top

Bake until bubbly:

Pop it in the oven for 20 to 25 minutes until the cheese has melted into a gorgeous golden brown blanket

Let it rest:

Give the dish five minutes to settle before serving, this helps the sauce thicken slightly and makes serving much easier

Pin It

Last winter when I was fighting off a cold, this became my go-to comfort meal. Something about the warm, creamy combination just felt restorative, and I swear the extra garlic helped kick whatever bug I was fighting.

Making It Ahead

I often assemble this the night before and keep it in the refrigerator, covered tightly with foil. When I'm ready to bake, I just add an extra 10 minutes to the cooking time since it's starting cold. The flavors actually meld together even better this way.

Freezing Instructions

This freezes beautifully either before or after baking. Just wrap it tightly and it'll keep for up to three months. When reheating from frozen, cover with foil for the first 20 minutes so it heats through without burning the cheese on top.

Serving Suggestions

While this is plenty satisfying on its own, I love serving it with roasted cauliflower or a simple green salad with a tangy vinaigrette to cut through the richness. Sometimes I'll steam some broccoli and toss it with garlic butter for an easy low-carb side.

• A glass of crisp white wine like sauvignon blanc pairs beautifully with the creamy elements
• If you're not strictly low-carb, crusty garlic bread is perfect for sopping up that sauce
• For extra protein, serve with a side of steamed edamame or roasted chickpeas

Pin It

There's something so satisfying about a dish that looks impressive but comes together with minimal effort. This has become my answer to hectic weeknights when comfort food is non-negotiable.

Recipe FAQs

→ Can I use rotisserie chicken instead of cooking fresh chicken?

Yes, rotisserie chicken works perfectly and actually saves time. Simply shred or chop about 2 cups of meat from a store-bought rotisserie chicken. The pre-seasoned flavor adds an extra dimension to the dish.

→ How do I prevent the casserole from becoming watery?

The key is sautéing the mushrooms and spinach thoroughly before baking. Mushrooms release a lot of moisture when cooked, so cooking them until they're lightly browned helps evaporate excess liquid. Also, squeeze any excess water from the spinach after wilting.

→ Can I make this ahead of time?

Absolutely. You can assemble the entire casserole up to 24 hours in advance and refrigerate it unbaked. When ready to serve, bake as directed, adding an extra 5-10 minutes if baking cold from the refrigerator.

→ What vegetables can I substitute for spinach?

Kale, Swiss chard, or broccoli work well as alternatives. Just keep in mind that heartier greens like kale may need a few extra minutes of sautéing time to become tender.

→ How should I store and reheat leftovers?

Store in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave for 2-3 minutes, or cover the entire dish with foil and warm in a 350°F oven until heated through, about 15-20 minutes.

→ Is this dish keto-friendly?

Yes, with only 6 grams of carbohydrates per serving and 32 grams of protein, this casserole fits well into a ketogenic diet. Just ensure all your ingredients, especially seasonings, are sugar-free.