Canned Corn - Whole Kernel

  

Quantity: An average of 31½ pounds (in husk) of sweet corn is needed per canner load of 7 quarts; an average of 20 pounds is needed per canner load of 9 pints. A bushel weighs 35 pounds and yields 6 to 11 quarts – an average of 4½ pounds per quart.

Quality: Select ears containing slightly immature kernels or of ideal quality for eating fresh. Canning of some sweeter varieties or too immature kernels may cause browning. Can a small amount, check color and flavor before canning large quantities.

Jar size: Pints or Quarts

Instructions:

1. Wash and rinse canning jars; keep hot until ready to use. Prepare lids according to manufacturer’s directions.

2. Husk corn, remove silk, and wash. Blanch 3 minutes in boiling water. Cut corn from cob at about three-fourths the depth of kernel. Caution: Do not scrape cob. Hot pack or raw pack according to instructions below.

3. Hot pack –

  • To each clean quart of kernels in a saucepan, add 1 cup of hot water, heat to boiling and simmer 5 minutes.
  • Add 1 teaspoon of salt per quart to the jar, if desired.
  • Fill jars with corn and cooking liquid, leaving 1-inch headspace.

Raw pack –

  • Fill jars with raw kernels, leaving 1-inch headspace. Do not shake or press down.
  • Add 1 teaspoon of salt per quart to the jar, if desired.
  • Add fresh boiling water, leaving 1-inch headspace.

4. Remove air bubbles and adjust headspace if needed. Wipe rims of jars with a dampened clean paper towel; apply two-piece metal canning lids.

5. process in a pressure canner according to the recommendations. Let cool, undisturbed, 12-24 hours and check for seals.

Processing time:

Processing Times for Dial-Gauge Pressure Canner

 

 

 

Canner Pressure (PSI) at Altitudes of:

Style of Pack

Jar Size

Process Time

0-2000 ft

2001-4000 ft

4001-6000 ft

6001-8000 ft

Hot and Raw

Pints

55 min

11 lb

12 lb

13 lb

14 lb

Quarts

85 min

11 lb

12 lb

13 lb

14 lb

 

Processing Times for Weighted-Gauge Pressure Canner

 

 

 

Canner Pressure (PSI) at Altitudes of

Style of Pack

Jar Size

Process Time

0-1000 ft

Above 1000 ft

Hot and Raw

Pints

55 min

10 lb

15 lb

Quarts

85 min

10 lb

15 lb

Source: National Center for Home Food Preservation




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