2 bacon slices, cut into 1/2-inch pieces
1 tablespoons extra-virgin olive oil
1 medium onion, diced small
1 large carrot, diced small
1 small celery stalks, diced small
2 garlic cloves, minced
1/2 pound ground turkey or chicken
1 cup crushed tomatoes
Red-pepper flakes (optional)
Coarse salt and ground pepper
1 Spaghetti Squash, halved and seeds removed
Grated Parmesan and parsley, for serving