Blackberry Long Pepper Jam

• 1 tsp long pepper
• 5½ cups [660 g] fresh blackberries</

With a mortar and pestle or spice grinder, crush the long pepper to a coarse powder. In a large nonreactive saucepan, such as stainless steel, combine the berries, crushed pepper, sugar, and lemon juice. Bring to a boil over medium-high heat, turn the heat to medium-low, and crush the berries with a potato masher. Cook, stirring occasionally with a silicone spatula, until the jam is thick enoug