What is the traditional ratio commonly cited for the proportion of White Port to tonic water in a standard Porto Tonico recipe?

Answer

One part Port to two parts Tonic (1:2)

While flexibility exists based on personal preference, especially when seeking a lower ABV experience, the traditional ratio frequently cited for constructing a balanced Porto Tonico is one part Port mixed with two parts Tonic water. For example, this would translate to 2 ounces of Port combined with 4 ounces of tonic. Adhering to this proportion helps achieve the signature balance and refreshment sought after in this modern Portuguese signature drink, ensuring neither the fortified wine nor the tonic overpowers the other.

What is the traditional ratio commonly cited for the proportion of White Port to tonic water in a standard Porto Tonico recipe?
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