1 package (12 ounces) uncooked tricolor spiral pasta
2 tablespoons olive oil, divided
1 pound boneless skinless chicken breasts, cut into 1/2-inch pieces
1 large sweet red pepper, chopped
1 medium onion, chopped
3 garlic cloves, peeled and thinly sliced
1 cup white wine or reduced-sodium chicken broth
1/4 cup julienned soft sun-dried tomatoes (not packed in oil)
1 teaspoon dried basil
1 teaspoon Italian seasoning
1/2 teaspoon salt
1/4 teaspoon crushed red pepper flakes
1/4 teaspoon pepper
1 can (14-1/2 ounces) reduced-sodium chicken broth
1 can (14 ounces) water-packed quartered artichoke hearts, drained
1 package (6 ounces) fresh baby spinach
1 cup (4 ounces) crumbled feta cheese
Thinly sliced fresh basil leaves and shaved Parmesan cheese, optional