Mix oil, vinegar, mustard, garlic together. In a bowl, toss all the vegetables and sausages with the mixture. Spread in a single layer on a baking sheet. Season with salt and pepper. Bake for 20- 25 minutes. Serve with rice or mashed potatoes.
Recipe by Between Carpools at https://betweencarpools.com/quick-and-easy-sausage-and-veggie-dinner/