← Back to recipes

Cheesy Chicken Spaghetti Squash Casserole

A low-carb, high-protein casserole featuring spaghetti squash, shredded chicken, and a creamy cheese sauce.

Prep: 15 minutes
Cook: 45 minutes
Total: 1 hour
6
Cheesy Chicken Spaghetti Squash Casserole

Ingredients

  • 1 medium spaghetti squash
  • 2 cups cooked, shredded chicken
  • 1 cup diced green bell pepper
  • 1/2 cup diced tomatoes
  • 1 cup cream of mushroom soup
  • 1/2 cup plain Greek yogurt
  • 1 teaspoon minced garlic
  • 1 1/2 cups shredded cheese (divided)
  • Salt and pepper, to taste
  • Fresh basil or chives, for garnish

Notes

This casserole can be prepared ahead of time and frozen for later use.

Instructions

  1. 1

    Preheat oven to 375°F (190°C).

  2. 2

    Cut spaghetti squash in half lengthwise and remove seeds. Place cut-side down on a baking sheet and bake for 30-40 minutes, until tender.

  3. 3

    Once cooked, use a fork to scrape out the strands of spaghetti squash.

  4. 4

    In a large bowl, combine spaghetti squash strands, shredded chicken, bell pepper, tomatoes, cream of mushroom soup, Greek yogurt, minced garlic, 1 cup shredded cheese, salt, and pepper.

  5. 5

    Transfer mixture to a greased 9x13-inch baking dish. Top with remaining 1/2 cup cheese.

  6. 6

    Bake for 15-20 minutes, until cheese is melted and bubbly.

  7. 7

    Garnish with fresh basil or chives before serving.