Cheesy Spaghetti Squash Casserole

By Shasta Duplantis

4.0 / 5

35min

1h 15min

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1 (3 pound) spaghetti squash halved and seeded
2 tablespoons olive oil divided, or as needed
¼ teaspoon garlic pepper seasoning
1 (16 ounce) package sliced fresh mushrooms
1 large onion diced
1 medium jalapeno pepper seeded and diced
1 bulb garlic cloves peeled and minced
1 pound ground pork sausage
1 ½ teaspoons fennel seeds
salt and ground black pepper to taste
1 pound broccoli raw
2 tablespoons chicken soup base (such as Better than Bouillon®)
1 ½ teaspoons dried oregano
1 ½ teaspoons ground thyme
1 ½ teaspoons dried basil
1 ½ cups grated Parmesan cheese
1 ½ cups shredded Cheddar cheese
1 ½ cups shredded mozzarella cheese
nonstick cooking spray
1 ½ cups whipping cream