ryewhiskeyreviews avatar@ryewhiskeyreviews7dDo Old Fashioneds use rye or bourbon? Both—here’s how to choose based on the taste you wantIf your Old Fashioneds taste too sweet, rye might fix it. If they taste too sharp, bourbon may be the move. This breaks down what actually changes in the glass (sweetness, spice, bitters, finish) and how to order it at a bar.