Spaghetti Squash Pesto Pasta With Chard & Sun Dried Tomatoes

jar of Spinach & Pepita Pesto (use the entire yield of this recipe)

spaghetti squash, cut in half and seeded

sun dried tomatoes

bunch of chard, chopped

Olive oil, for roasting and for the pan

Freshly grated Parmesan (optional)

salt & pepper,