2 medium acorn squash, halved and seeded
1 teaspoon plus 2 tablespoons extra-virgin olive oil, divided
½ teaspoon salt, divided
½ teaspoon freshly ground pepper, divided
½ pound lean hot Italian sausage (optional)
½ cup red onion, chopped
2 cloves garlic, minced
1 teaspoon dried thyme
2 tablespoons water
8 cups chopped chard leaves (about 1 large bunch chard)
2 cups cooked white beans
¼ cup capers
⅓ cup coarse dry whole-wheat breadcrumbs
⅓ cup grated Parmesan cheese