Blueberry jalapeno jam from Garnish with Lemon is a sweet and spicy summertime condiment. Fresh blueberries are cooked with finely chopped jalapenos, shallots, and sugar until thick and bubbly. Blueberry jalapeno jam is delicious with your morning toast, spread on a burger, or even used in a Monte Cristo sandwich. This refrigerator jam can last up to 2-3 weeks, but if we are being honest, it will be gobbled up well before that time. For full recipe instructions, click here.