Try Adding Into Food A side view of a cooking class and the students learning which fresh herbs and veg they are going to be adding to the pizzas they are making from scratch in class in a school they attend in the North East of England. One of the students is pulling a face after tasting the herb.

Food Preservation Resources

Preserve food safely with trusted, research-based guidance.

Find reliable information on canning, freezing, and drying foods at home using methods tested for safety and quality. These resources are from the University of Wisconsin–Madison Division of Extension and other university Extension programs.

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Dial Gauge Pressure Canner Testing

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General Food Preservation

These are pre-existing electronic documents and are not accessible. PDFs are intended for print. To request an accessible version or a reasonable accommodation due to disability, please email emily.latham@wisc.edu.

Guidance and Best Practices

Food Preservation Resources – University of Missouri Extension
Offering reliable, research-based information on safe food preservation methods, including canning, freezing, and drying. It features step-by-step guides, instructional videos, recipes, and up-to-date recommendations aligned with national standards.

National Center for Home Food Preservation
The National Center for Home Food Preservation offers the latest, research-based information on safe food preservation practices. Find tested recipes, current guidelines, and reliable methods to preserve your food safely at home.

Canning

Learn how to preserve food safely using boiling water canning and pressure canning methods.

Guidance and Best Practices

Safe Substitutions in Home Canning

Care and Use of a Pressure Canner (B2593)

Pressure Can It Right

Steam Can It Right

Put a Lid On It

Play It Safe! Safe Changes and Substitutions to Tested Canning Recipes

Jar It Right!

Canning Vegetables Safely (B1159)

Canning Fruits Safely (B0430)

Caution against canning elderberries, white-fleshed peaches

Canning Salsa Safely (B3570)

Canning Meat, Wild Game, Poultry and Fish Safely (B3345)

Recipes

Tomatoes Tart & Tasty (B2605) – Revised 2021

Freezing

Guidance and Best Practices

Freezing Fruits and Vegetables (B3278)

Drying

Guidance and Best Practices

Making Safe Jerky in a Home Dehydrator

Picking and Fermenting

Recipes

Homemade Pickles and Relishes (B2267)

Make your Own Sauerkraut (B2087)

Yogurt Made Simple (Oregon State University)

Making Table Wine at Home (University of California-Davis)

Making Homemade Cheese (New Mexico State University)

Making Jam & Jelly

Guidance and Best Practices

Oops! Remaking Jam and Jelly

Recipes

Jams, Jellies and Fruit Preserves (B2909)

Food Safety

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Learn about home food storage tips

Contact the AnswerLine

AnswerLine is a free, research-based helpline staffed by Extension experts, offering Wisconsin residents trusted advice on food preservation, food safety, and other home-related topics.

Learn More about Wisconsin AnswerLine

Phone: 1-866-540-4636
Email: answer@iastate.edu
Hours: Monday–Friday, 9:00 a.m.–12:00 p.m. & 1:00–4:00 p.m. CST
Closed on holidays.

Iowa State Extension & Outreach AnswerLine Website