

Did you choose the beer? You're right. A margarita, made the purist way -- with just tequila, orange liqueur, and lime juice -- contains about 7.5g of carbs in a 4-ounce glass. A 12-ounce beer contains almost 13g. However, this rule does not hold when a commercial margarita mix is used. Just 4 ounces of that stuff contains a whopping 29g of carbs.
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