Cut sausages into even slices (easier if they’re slightly frozen).
Cut apples, potatoes, carrots, beets and onions into even sized cubes, about 1/2 inch. Transfer to large baking sheet.
Cut your preferred tender veggies into even sized pieces and set aside.
Mix oil, honey, vinegar and mustard and spread over sausage, apple and root veggies. Sprinkle with salt, pepper and rosemary.
Roast sausage and root veggies for 15 minutes. Add tender veggies, toss and roast another 15-20 minutes until sausage is browned and veggies are as tender as you like.
Serve immediately. Garnish with a sprinkling of fresh parsley or Parmesan cheese.