There are many ingredients that go into the Tim Hortons iced coffee, but the most common ingredients are coffee, sugar, and milk. Other ingredients that may be used include chocolate, vanilla, and hazelnut.
The coffee is the most important part of the iced coffee, and it is usually a blend of different beans. For example, Tim Hortons may use a Colombian blend for their iced coffee.
The sugar and milk are also important, and they help to make the coffee taste sweet and creamy.
The hazelnut is a common ingredient in Tim Hortons iced coffee, and it is used to add a little bit of flavor. The chocolate and vanilla are also common ingredients, and they are used to add a little bit of sweetness and flavor.