Try New Mr. Boston Sour Apple Schnapps We are very excited to introduce a new line extension to the Mr. Boston Schnapps family, Mr. Boston Sour Apple Schnapps. Our keys to success: great tasting product, competitive price and a newly designed package that conveys the excitement of the product. All of these elements are combined with the heritage of a respected brand name. The vibrant lime green of the product expresses the lighthearted aura of sour apple, and the lime green taste is conducive to preparing green apple martinis and sour apple shots. Ask for it at your nearest retailer. Click here for delicious drink recipes.