Marry Me Low Carb Chicken

Creamy low carb chicken casserole with golden mozzarella, sun-dried tomatoes, and fresh spinach. Pin it
Creamy low carb chicken casserole with golden mozzarella, sun-dried tomatoes, and fresh spinach. | sweetpintable.com

This dish combines succulent chicken breasts baked in a luscious blend of heavy cream, Parmesan, and mozzarella cheeses. Sun-dried tomatoes and fresh spinach add vibrant flavor and texture, while Italian seasoning and garlic provide aromatic depth. Baked until golden and bubbly, the casserole offers a balanced low carb option that’s both satisfying and flavorful. Optional garnishes like fresh basil enhance the presentation and taste.

The name alone made me skeptical when my sister first raved about this casserole. She swore up and down that this creamy, sun-dried tomato creation had literally convinced her husband to propose. After one bite of that rich, velvety sauce with those tangy tomato bursts, I stopped questioning the legend and started demanding the recipe.

I made this for a dinner party last fall when I completely forgot to plan anything until an hour before guests arrived. Everyone assumed Id spent all afternoon hovering over the stove, and I happily let them believe it. Theres something deeply satisfying about serving a dish that looks and tastes restaurant-quality but came together in minutes.

Ingredients

  • 4 boneless, skinless chicken breasts: These will stay tender and juicy as they bake in the creamy sauce, absorbing all those delicious flavors
  • 1 cup baby spinach: The heat wilts it perfectly into the sauce, adding nutrition and beautiful green flecks throughout
  • ½ cup sun-dried tomatoes: These little gems are the secret weapon, providing intense sweet-tangy flavor that cuts through the richness
  • 2 cloves garlic: Minced fresh garlic mellows beautifully as it bakes, infusing the cream with subtle aromatic warmth
  • 1 cup heavy cream: This creates that luscious, velvety sauce that makes low-carb eating feel positively decadent
  • ½ cup grated Parmesan cheese: Adds nutty, salty depth that amplifies the savory elements without overpowering
  • 1 cup shredded mozzarella cheese: Forms that gorgeous golden, bubbly crust on top that makes this dish irresistible
  • 1 teaspoon Italian seasoning: A simple blend that ties everything together with familiar herbal notes
  • ½ teaspoon crushed red pepper flakes: Just enough subtle heat to keep things interesting and wake up your palate
  • 2 tablespoons fresh basil: Bright, fresh finish that cuts through the richness and adds a pop of color

Instructions

Prep your baking dish:
Preheat that oven to 400°F and give your 9x13-inch baking dish a quick coat of cooking spray so nothing sticks to the bottom.
Season and arrange the chicken:
Sprinkle both sides of each chicken breast with salt, pepper, and Italian seasoning, then lay them in a single layer so they cook evenly.
Whisk up the creamy sauce:
In a medium bowl, combine the heavy cream, grated Parmesan, minced garlic, and red pepper flakes until smooth and well blended.
Pour and scatter:
Pour that gorgeous cream mixture evenly over the chicken, then tuck the sun-dried tomatoes and spinach into all the nooks and crannies.
Top with cheese and bake:
Sprinkle the mozzarella over everything and slide it into the oven for about 25-30 minutes until the cheese is golden and bubbly.
Rest and garnish:
Let the casserole rest for just 5 minutes so the sauce thickens slightly, then scatter fresh basil on top before serving.
Tender low carb chicken casserole baked with rich cheese sauce and vibrant green spinach. Pin it
Tender low carb chicken casserole baked with rich cheese sauce and vibrant green spinach. | sweetpintable.com

This recipe has become my go-to for new parents, sick friends, and anyone who needs a little comfort. Something about that bubbling cheese and that fragrant garlic cream just feels like a hug in casserole form. Ive had more people ask for this recipe than any other dish Ive ever made.

Making It Your Own

Ive found that kale works beautifully instead of spinach if you want something with more texture and bite. The slightly bitter flavor actually plays really nicely against the sweet sun-dried tomatoes. Sometimes I use provolone instead of mozzarella for a smokier, more complex flavor profile.

Serving Suggestions

Cauliflower rice is my favorite pairing because its neutral flavor lets the casserole shine while keeping it low-carb. A crisp green salad with a bright vinaigrette cuts through the richness perfectly. When Im feeling indulgent, I roast some broccoli tossed with olive oil and garlic until crispy at the edges.

Make-Ahead Magic

You can assemble the entire casserole up to 24 hours in advance, cover it tightly, and keep it in the refrigerator. Just add a few extra minutes to the baking time since it will be cold. The flavors actually meld together even better when they have time to hang out overnight.

  • If meal prepping, bake it completely then portion into individual containers for easy lunches throughout the week
  • The leftovers reheat beautifully in the microwave and somehow taste even better the next day
  • Freezing works well too, just wrap it tightly and thaw overnight in the refrigerator before reheating
A hearty low carb chicken casserole served hot with bubbly mozzarella and aromatic basil. Pin it
A hearty low carb chicken casserole served hot with bubbly mozzarella and aromatic basil. | sweetpintable.com

Whether you are trying to impress someone special or just treating yourself on a Tuesday night, this casserole delivers every single time.

Recipe FAQs

Yes, you can season the chicken and assemble the casserole a few hours in advance. Keep it refrigerated until ready to bake for best results.

Absolutely. Kale or Swiss chard can be used as alternatives, offering a similar texture and nutritional benefits.

Incorporate extra crushed red pepper flakes or garnish with thin slices of fresh chili peppers before baking to increase the spiciness.

Cauliflower rice or a crisp side salad complements the richness nicely, keeping the meal light and balanced.

Provolone or fontina can be substituted to vary the flavor while maintaining a nice melt and texture.

Marry Me Low Carb Chicken

Tender chicken baked in creamy sauce with spinach and sun-dried tomatoes, perfect for a balanced low carb meal.

Prep 15m
Cook 30m
Total 45m
Servings 4
Difficulty Easy

Ingredients

Protein

  • 4 boneless skinless chicken breasts (about 1.5 lbs)

Vegetables

  • 1 cup baby spinach roughly chopped
  • ½ cup sun-dried tomatoes drained and sliced
  • 2 cloves garlic minced

Dairy

  • 1 cup heavy cream
  • ½ cup grated Parmesan cheese
  • 1 cup shredded mozzarella cheese

Seasonings

  • 1 teaspoon Italian seasoning
  • ½ teaspoon crushed red pepper flakes (optional)
  • ½ teaspoon salt
  • ¼ teaspoon black pepper

Garnish

  • 2 tablespoons fresh basil chopped (optional)

Instructions

1
Preheat Oven and Prepare Dish: Preheat the oven to 400°F. Grease a 9x13-inch baking dish with cooking spray or butter.
2
Season and Arrange Chicken: Season chicken breasts generously with salt, pepper, and Italian seasoning on both sides. Arrange them in a single layer in the prepared baking dish.
3
Prepare Cream Sauce: In a medium bowl, whisk together heavy cream, grated Parmesan, minced garlic, and red pepper flakes until well combined.
4
Assemble the Casserole: Pour the cream mixture evenly over the chicken breasts. Scatter sun-dried tomatoes and chopped spinach around and between the chicken pieces. Top everything with shredded mozzarella cheese.
5
Bake Until Golden: Bake for 25-30 minutes until the chicken is cooked through (internal temperature reaches 165°F) and the cheese is golden and bubbly.
6
Rest and Serve: Remove from the oven and let the casserole rest for 5 minutes to allow the sauce to thicken slightly. Garnish with fresh basil if desired and serve hot.
Additional Information

Equipment Needed

  • 9x13-inch baking dish
  • Mixing bowl
  • Whisk
  • Chef's knife
  • Cutting board

Nutrition (Per Serving)

Calories 470
Protein 44g
Carbs 7g
Fat 30g

Allergy Information

  • Contains dairy (cream, Parmesan, mozzarella)
  • Verify sun-dried tomatoes for possible cross-contamination with nuts or gluten if highly sensitive
Monica Reed

Passionate home cook sharing easy, family-friendly recipes and practical meal prep ideas.