Ingredient:

• 4 cups cubed peeled butternut squash
• 1 medium red onion, chopped
• 3 tablespoons olive oil
• 1/4 teaspoon crushed red pepper flakes
• 1/2 pound uncooked linguine
• 2 cups julienned Swiss chard
• 1 tablespoon minced fresh sage
• 1/2 teaspoon salt
• 1/4 teaspoon pepper