Rinse the berries, if crucial, then drain effectively and put them in a nonreactive bowl with the sugar and lemon juice. Leave overnight, turning once or twice. Coarsely grate the apple and add with the lemon zest to a pot. Strain in all the juice from the berries and add 2 heaping spoonfuls of berries (about 1/4 to 1/2 cup), leaving the remainder of the berries within the bowl. Add 1/2 cup of