To make simple syrup last longer, there are a couple of methods you can try. One option is to increase the ratio of sugar to water. The traditional recipe for simple syrup calls for equal parts sugar and water (1:1 ratio). However, by adding more sugar, you can create a more concentrated syrup that will have a longer shelf life.
For example, you could try making a rich simple syrup with a 2:1 ratio of sugar to water. This means you would use twice as much sugar as water when making the syrup. The higher sugar content acts as a natural preservative and helps inhibit the growth of bacteria and mold. This type of syrup can last for several months if stored properly.
Another method to extend the shelf life of simple syrup is by adding a neutral spirit, such as vodka or Everclear. The alcohol in the spirit acts as a preservative and helps prevent the growth of microorganisms. By adding a small amount of spirits to the syrup, you can significantly increase its longevity.
To make a spirit-infused simple syrup, you can start by heating equal parts sugar and water until the sugar dissolves completely. Once the mixture cools, you can add a small amount (around 1/4 to 1/2 ounce) of neutral spirit per cup of syrup. Stir well to ensure the alcohol is evenly distributed. The addition of spirits can extend the shelf life of simple syrup to several months, or even up to a year in some cases.
It's important to note that when using these methods to extend the shelf life of simple syrup, proper storage is crucial. The syrup should be stored in a clean, airtight container in the refrigerator to prevent any contamination. Additionally, it's a good idea to label the container with the date of preparation to keep track of its freshness.
Personal Experience: I have used both methods to make simple syrup last longer in my home bar. When making cocktails, I often prefer to have a variety of flavored syrups on hand, so having a longer shelf life is essential. I have found that using a higher sugar concentration or adding a small amount of spirits has significantly increased the lifespan of the syrups I make. It's a simple and effective way to ensure that I always have fresh and flavorful syrups available for my drinks.