Canning Pumpkin and Winter Squash Quantity: An average of 16 pounds is needed per canner load of 7 quarts; an average of 10 pounds is needed per canner load of 9 pints--an average of 2-1/4 pounds per quart. Quality: Pumpkins and squash should have a hard rind and stringless, mature pulp of ideal quality for cooking fresh. Small size pumpkins (sugar or pie varieties) make better products. Procedure: Wash, remove seeds, cut into 1-inch- wide slices, and peel. Cut flesh into 1-inch cubes. Boil 2 minutes in water. Caution: Do not mash or puree. Fill jars with cubes and cooking liquid, leaving 1-inch headspace. Adjust lids and process following the recommendations in Table 1 and Table 2. For making pies, drain jars and strain or sieve cubes. Table 1. Recommended process time for Pumpkin and Winter Squash in a dial-gauge pressure canner. Canner Pressure (PSI) at Altitudes of Style of Pack Jar Size Process Time 0 - 2,000 ft 2,001 - 4,000 ft 4,001 - 6,000 ft 6,001 - 8,000 ft Hot Pints Quarts 55 min 90 11 lb 11 12 lb 12 13 lb 13 14 lb 14 Table 2. Recommended process time for Pumpkin and Winter Squash in a weighted-gauge pressure canner. Canner Pressure (PSI) at Altitudes of Style of Pack Jar Size Process Time 0 - 1,000 ft Above 1,000 ft Hot Pints Quarts 55 min 90 10 lb 10 15 lb 15