Easy Tinto de Verano Recipe: A Refreshing Spanish Cocktail

I was introduced to tinto de verano on our first evening in Madrid.

Having asked the waiter to bring whatever liquid refreshment he recommended, I was a bit taken aback when he brought out a small glass with ice, a 4-ounce carafe of red wine, and a small bottle of some sort of clear, fizzy drink. That did not look at all appealing. Here I had been expecting him to bring out a glass of whatever flavorful local red wine he recommended-hopefully one of Spain's famous Riojas-and I was getting ice?

Well, far be it from me to refuse to ...