Ongoing research

Master Food Preservers of San Mateo & San Francisco Counties: Event

Tea and Preserves Party

Event Date
May 30, 2026

Join the UC Master Food Preservers for our 2nd Annual Tea and Preserve Party. In the delectable hands on workshop you will make your own jam to take home and enjoy a delicious tea party. More information and registration link will be available soon. 
Master Food Preservers of San Mateo & San Francisco Counties
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Master Food Preservers of San Mateo & San Francisco Counties: Event

Say Cheese: An Introduction to Home Cheesemaking

Event Date
May 3, 2026

Ever wondered how a gallon of milk transforms into a delicious wheel of cheese? The Master Food Preservers of San Mateo and San Francisco Counties offer a hands-on workshop! You will learn the basics of cheesemaking and take home some freshly made cheese, hand crafted by you! This class is designed…
Master Food Preservers of San Mateo & San Francisco Counties
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Master Food Preservers of San Mateo & San Francisco Counties: Event

Alemany Farm Earth Day Celebration

Event Date
Apr 25, 2026

Join the UC Master Food Preservers at the Alemany Farm Earth Day Celebration. At our table you will be able to make your own flavored salt to take home. We will also have lots of information about how to preserve your spring harvest. For more information, please go to the event website: https:/…
Master Food Preservers of San Mateo & San Francisco Counties
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Master Food Preservers of San Mateo & San Francisco Counties: Event

Online: Homemade Jam Workshop -A Taste of Excellence

Event Date
Apr 18, 2026

There’s nothing like the pop of a freshly sealed jar of homemade jam—except, perhaps, the thrill of seeing that jar on display at the San Mateo County Fair. Join us on April 18 for a free online cook-along workshop to prep and preserve your very own jam. You’ll follow a research-based recipe to create…
Master Food Preservers of San Mateo & San Francisco Counties
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Master Food Preservers of San Mateo & San Francisco Counties: Event

Spring is in the Air

Event Date
Mar 21, 2026

Master Food Preservers will be demonstrating how to make homemade jam! This event is free but requires registration!
Master Food Preservers of San Mateo & San Francisco Counties
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Chest freezer full of frozen bagged veggies
UC Master Food Preserver: Event

Home Freezing Basics: Safe and Smart Ways to Preserve Everyday Foods (Online Delivery Program)

Event Date
Mar 24, 2026

This free online class, taught by the UC Master Food Preservers Online Delivery Program, focuses on research-based freezing methods that protect food quality and safety.You’ll learn how freezing works, why it preserves food, and how to freeze and thaw foods properly to prevent foodborne illness and quality…
UC Master Food Preserver
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Sassy
Elkus Ranch Environmental Education Center: Event

Sassy’s 25th Birthday Party

Event Date
Jul 11, 2026

Come celebrate Sassy the Donkey turning 25—a quarter century of sass, brays, and barnyard charm! Join us for a fun-filled day with treats, laughs, and plenty of birthday love for everyone’s favorite long-eared guest of honor. Bring your smiles and help us make Sassy’s big day extra special!
Elkus Ranch Environmental Education Center
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UC Master Food Preserver: Article

What is Dehydrating for Food Preservation? (March 2026)

March 9, 2026
By Robin E Martin
Tim Long, UC Master Food Preserver Online Program Volunteer    Dehydration preserves food by removing 80–95% of its moisture, which inhibits the growth of bacteria, yeasts, and molds that require water to grow. It is one of the oldest preservation methods, dating back to 12,000 BCE.  This…
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UC Master Food Preserver: Article

Preserved Lemons: A Powerhouse Ingredient in the Kitchen (March 2026)

March 9, 2026
By Robin E Martin
Kirsten Hansen, UC Master Food Preserver Online Delivery Program Volunteer  The Master Food Preserve Online Delivery Program volunteers loved making preserved lemons this winter! Our Citrus 1: Citrus Without Canning class and Garden to Glass: Winter Mocktails classes featured two different…
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