While "Tam Jam" doesn't refer to a single universal dish, it most commonly identifies as either a or a brand of artisanal frozen treats .
: Some recipes add ginger and lime or use it in a fusion cocktail with gin and mint. 2. Tam Jam Gourmet Delights (The Brand)
If you are looking for "Tam Jam" as a specific product, it is a well-known shop at Devon House in Jamaica .