Veggie Mash

3 medium baking potatoes (1 pound), peeled and cubed
1 cup coarsely chopped cauliflower
½ cup sliced carrot or coarsely chopped cauliflower
¼ cup light dairy sour cream
¼ teaspoon salt
2 tablespoons finely shredded parmesan cheese

In a medium saucepan, cook potatoes, cauliflower, and carrot, covered, in enough boiling salted water to cover for 15 to 20 minutes or until tender. Drain. Mash with a potato masher or beat with electric mixer. Add sourcream and salt. Mash or beat until combined. Season to taste with additional salt and pepper. Top each serving with Parmesan cheese.