Freshly chopped parsley, for garnish
1/4 cup freshly grated Parmesan
1 1/4 cups shredded mozzarella, divided
1/2 cup ranch dressing
1 tsp. oregano
1 1/2 pounds chicken breasts (about 3)
12 oz. bacon, cut into 1" pieces
Freshly ground black pepper
Kosher salt
1 tbsp. ranch seasoning
3 tbsp. extra-virgin olive oil
1 medium spaghetti squash, halved, seeds removed