1 (3 to 4 lb) rump or pot roast
1/2 cup water
1 can (8-oz) tomato sauce
salt to taste
freshly ground black pepper to taste
1 tsp oregano
1 tsp basil
Place the potatoes, carrots, and onions into the slow cooker or crockpot. Salt and pepper the roast; add to the cooker over the vegetables.
In a small bowl combine the water, tomato sauce, oregano, and basil; pour the mixture over the meat and vegetables.
Place lid on cooker and cook on low for 10 to 12 hours or on high for 5 to 6 hours.