Original Receipt in 'The Compleat Cook' by 'WM', 1658 (WM 1658)To Pickle Broom Buds.
Take your Buds before they be yellow on the top, make a brine of Vinegar and Salt, which you must do onely by shaking it together till the Salt be melted, then put in your Buds, and keepe stirred once in a day till they be sunk within the Vinegar, be sure to keep close covered.