Step-by-step explanation:
Apples, sour.
Blackberries, sour.
Cherries, sour.
Crabapples.
Cranberries.
Currants.
Gooseberries.
Grapes (Eastern Concord)
Apricot, peach, plum or nectarine jam.
Apple jelly.
Apple butter.
Applesauce.
Blueberry Jam.
Fig Jam,
Fig-strawberry jam,
Grape jelly from fresh grapes.
JOINT-WINNER: Co-op Irresistible Seville Orange Medium Cut Marmalade. ...
JOINT-WINNER Sainsbury's Taste the Difference Bitter Seville Orange Marmalade. ...
Stokes Seville Orange Marmalade. ...
Frank Cooper's Fine Cut Oxford Marmalade.