Wash and prepare fresh sweet corn and lima beans according to the tested vegetable preparation directions.
For hot pack, combine all prepared vegetables in a large kettle with enough water to cover. Boil gently 5 minutes. Fill jars with vegetables and cooking liquid, leaving 1-inch headspace.
For raw pack, fill jars with equal parts of all prepared vegetables, leaving 1-inch headspace. Do not shake or press down pieces. Add fresh boiling water, maintaining 1-inch headspace.
Add 1 teaspoon salt per quart jar if desired. Adjust lids.
Process pints 60 minutes or quarts 85 minutes in a pressure canner.
Dial gauge: 11 psi at 0–2,000 ft, 12 psi at 2,001–4,000 ft, 13 psi at 4,001–6,000 ft, 14 psi at 6,001–8,000 ft. Weighted gauge: 10 psi at 0–1,000 ft and 15 psi above 1,000 ft.