Spaghetti Squash and Chard Sauté

3 to 4 lb spaghetti squash

to 4 Tbsp olive oil

minced garlic

 teaspoon chili pepper flakes

minced fresh rosemary

chopped fresh parsley

large bunch of chard, center rib removed, leaves chopped

apple cider vinegar

Salt and pepper

freshly grated Parmesan cheese