Name: Blackberry Jelly I
Ingredients: 4 cups blackberries (partly red); ½ cup water; 1 pound sugar

Blackberry Jelly I

Ingredients

4 cups blackberries (partly red)
½ cup water
1 pound sugar

Directions

Cook the blackberries with water until they become a pulp.
Strain the mixture to extract the juice.
Combine 1 pound of sugar with 1 pint of the blackberry juice.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

What each ingredient does

Blackberries: Provide the fruit flavor and natural pectin that help the jelly set.
Sugar: Sweetens the jelly and, with the fruit's pectin and acid, helps it set.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.