Sunshine's Roasted Winter Vegetables with Chicken-Apple Sausage and Bacon Recipe

3 large sweet potatoes

peeled and cut into 3/4-inch chunks

3 large white potatoes

peeled and cut into 3/4-inch chunks

1 (16 ounce) package chicken-apple sausage

sliced into 3/4-inch pieces

2 carrots

peeled and cut into 3/4-inch chunks

1 parsnip

peeled and cut into 3/4-inch chunks

or to taste

1 turnip

peeled and cut into 3/4-inch chunks

or to taste

1 onion

chopped

1 head garlic

1 pinch dried sage

or to taste

1 pinch dried parsley

or to taste

1 pinch dried rosemary

or to taste

1 pinch dried thyme

or to taste

salt and ground black pepper to taste

1 pound thick-sliced peppered bacon