The first wine shake on the menu will be the Mango Moscato — made with wine, vodka, mango puree and vanilla ice cream. Food. Red Robin Adds New Adult Milkshake To Menu.

It's just beginning to sell the Mango Moscato Wine Shake — made with wine, vodka, mango puree and vanilla soft serve — at its 480 U.S. locations. They aren't cheap.