Bale pounced on Dempsey's deflected shot to double the lead and the Welshman then floated a pinpoint cross that the American headed home expertly from the back post to make it 3-0.
"We know what we want to do in the league, we have won the Cup eight times before and we would like to go all the way this year," Freund said.
"In the first half it was a different class. It was a great performance and we deserved the win.
"We didn't have to remind the players to be professional. They are really good. They put the opposition under pressure, they played with a high tempo and created chances."