Tomatoes from Seed to Table Co-sponsored by: EDC Master …mgeldorado.ucanr.edu/files/236885.pdf ·...
Transcript of Tomatoes from Seed to Table Co-sponsored by: EDC Master …mgeldorado.ucanr.edu/files/236885.pdf ·...
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University of CaliforniaCooperative Extension
Presents:Tomatoes from Seed to
TableCo-sponsored by:
EDC Master Gardeners andEDC Master Food
PreserversMarch 24, 2018
Instructors:Zack Dowell, MGCindy Young, MFPTrudy Vestal, MFP
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Presented by:Cindy Young, Master Food Preserver Trudy Vestal, Master Food Preserver
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What are you going to do with all those tomatoes?
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Preserving Tomatoes
Part 1
• 3 Basic Methods of Preservation
• Safe Canning
• Differences: Boiling Water, Atmospheric Steam and Pressure Canners
• Equipment for Canning
• Selecting the Tomatoes
• How to Peel a Tomato
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Canning
Dehydrating
Freezing
3 Basic Methods of Preservation
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Safe Canning
• Boiling water bath, atmospheric and pressure canning methods can safely be used for canning tomatoes.
• Boiling water canners and atmospheric steam canner should only be used for high acid foods.
• Contrary to popular belief . . .
most tomatoes are not a high acid food.
• It is important to use a recipe from an approved source
and to acidify your tomato products correctly.
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Boiling Water Canners
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Atmospheric Canner
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Pressure Canner
Pressure “COOKERS”
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Equipment for Canning
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Selecting the Tomatoes
• Choose firm, vine ripened, unblemished tomatoes.
• Green tomatoes are higher in acid. Use a recipe specifically for green tomatoes.
• Don’t can over-ripe tomatoes.
• For thickest sauce, use paste tomatoes . . .
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How to Peel a Tomato
• Drop the tomatoes one layer at a time in boiling water for 20 – 60 seconds or until the skin cracks.
• Quickly remove the tomatoes to a bowl of cold water until cool to the touch.
• Use a sharp knife to easily remove skin.
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Preserving Tomatoes
Part 2
• Dehydrating Tomatoes
• 3 Methods of Dehydrating
– Oven
– Electric Dehydrator
– Solar
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Dehydrating Tomatoes
• For best results − choose paste tomatoes.
• Cut in 3/8” – 1/2” slices.
• Dry at 130 - 145° F until dry and leathery.
• Place in airtight jars and shake daily for one week to check on moisture content.
• To eliminate insect eggs, heat dehydratedfood in oven at 175° for 10 minutes or freeze for 48 hours.
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3 Methods of Dehydrating
• Oven
• Electric Dehydrator
• Solar
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Oven
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Oven: Pros and Cons
Pros
• Most people already have one.
• Large capacity
Cons
• Air circulation is a problem resulting in slower drying times.
• Temperature sometimes cannot be set low enough. (Ex: Recommended temperature 130°.)
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Electric Dehydrator
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Electric Dehydrator Pros and Cons
Pros
• Portable
• Air circulation from fan
• Adjustable temperature
• Some have a timer
Cons
• $$$ - Initial investment
• $$$ - uses electricity
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Selecting an Electric Dehydrator
Things to consider when purchasing a dehydrator . . .
✓ Fan − faster drying times/more even drying
✓ Heating capacity
✓ Timer (not necessary, but nice)
✓ Capacity
✓ Cost
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Solar
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Solar Pros and Cons
Pros
Available for FREE
Capacity – possibly unlimited
Cons
Need climate with low humidity
Insects and critters
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Preserving Tomatoes
Part 3
• Freezing
• “Tomatoes, Basic and Fancy”
• Questions?
• Reference Websites
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Pros
• No one will die . . .
• Preserves quality of food.
• Doesn’t require any processing equipment.
Cons
• You need a larger freezer.
• $$$ Electricity
Why Freezing?
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Freezing Tomatoes
• Wash thoroughly, remove skins (or not). Leave whole or cut in halves or quarters.
• Fill freezer safe container, leaving 1” headspace or use FREEZER storage bags.
• Seal, label and freeze.
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TOMATOESPresented by
UCCE Master Food Preserversof El Dorado County
Thursday, August 23rd , 6:00 p.m. – 8:00 p.m.
Ag Building
311 Fair Ln., Placerville
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For a complete list of upcoming classes visit the UCCE Master Food
Preservers of El Dorado County webpage:
http://ucanr.edu/edmfp
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The End
Useful Links:
Master Food Preserver (MFP) http://ucanr.edu/edmfp
National Center for Home Food Preservationhttp://nchfp.uga.edu
Ball Approved websitehttp://freshpreserving.com
MFP Volunteer voicemail 530-621-5506
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“Advice to Preserve By . . . Ask Us!”
Thank You for Coming!
UCCE Master Food Preservers of El Dorado County