Can regular limes replace key limes without losing balance in a citrus-spice liqueur?

Expanded Explanation

Yes, regular limes can be used if key limes are unavailable, but the result will not be identical. Key limes usually bring a more concentrated aroma, a slightly floral edge, and a sharper citrus profile, while standard limes tend to taste broader, greener, and a little less perfumed. The liqueur can still work very well, but the balance may need small adjustments.

When substituting, reduce peel contact slightly at first because larger limes can contribute more pith if they are halved and infused in the same way. It is also wise to taste before adding the full amount of sweetener, since regular limes may produce a less piercing acidity and therefore need less honey or sugar to feel balanced. A small extra strip of fresh zest can help recover aroma if the finished infusion feels flat.

Another option is to combine regular lime with a little extra zest from a very fragrant lime rather than simply increasing fruit weight. Avoid compensating by leaving the fruit in the alcohol longer, because that usually increases bitterness more than brightness. The best substitution is usually careful tasting plus small sweetness corrections, not longer maceration.