Beef with roast

4 medium red potatoes, each cut into 8 wedges 1/4 cup water 1/2 red onion , thinly sliced 1 lb roast beef 1 pint grape tomatoes , cut in half lengthwise 9[...]

3 lbs rump roast salt & pepper 1 tablespoon prepared mustard 8 slices bacon , diced, uncooked 3 tablespoons vegetable oil 2 onions , coarsely chopped 1/4[...]