Cheesy Chili Spaghetti Squash Casserole – Low Carb & Gluten Free

Name: Cheesy Chili Spaghetti Squash Casserole – Low Carb & Gluten Free
Cuisine: American
Ingredients: 1 lb lean ground beef (or turkey); 1 tsp ground cumin; 1 tsp ground coriander; 1 Tbsp chopped chipotles in adobo (optional); 1/2 tsp garlic powder; 1 tsp dried oregano; 1/2 cup prepared salsa; salt and pepper to taste; 4 cups cooked spaghetti squash; 2 tbsp butter, melted; 3/4 cup sour cream; 1 3/4 cup shredded cheddar cheese; chopped cilantro (optional); sour cream, salsa, avocado to serve (optional)