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Jam and Jelly Problems and Solutions

peach jam
Source: NCHFP
Photo: KSRE RRC

Sometimes jam and jelly recipes just don’t turn out right. So here are some problems, causes, and prevention strategies.

Learn more about other problems and solutions for jam and jelly at https://nchfp.uga.edu/how/can_07/jellyproblems.html

 

PROBLEM CAUSE PREVENTION
Too soft Overcooking fruit to extract juice Avoid overcooking as this lowers jellying capacity of pectin
Used too much water to extract juice Use recommended amount
Incorrect amounts of sugar and juice Measure correctly
Undercooking jam or jelly mixture Follow cooking times exactly
Insufficient acid Lemon juice may need to be added
Making too large of a batch Make only one recipe at a time
Moving finished jars too soon Allow finished jars to sit at least 12 hours
Insufficient time before using Some fruits take up to 2 weeks to set completely

About Karen Blakeslee

The Rapid Response Center was formed in 1995 as a resource for Kansas State University Research & Extension Agents. Resource topics included Food Science, Human Nutrition, Food Service, Textiles, Home Care and other consumer topics. Since that time, the Center has grown to be of valuable assistance to Kansas State University Extension Specialists in those areas.