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Preservation & Storage

Canning, storage and food safety guides.

Dehydrated Tomato Powder: The Secret to Instant Ketchup

October 18, 2026 by Emma Clark

What if you could make fresh-tasting ketchup in under five minutes, any day of the year, with no simmering pots and no weekend tomato marathon? The secret is a pantry jar of dehydrated tomato powder — concentrated tomato flavor you stir into instant ketchup whenever the craving hits. It sounds like a gimmick, but once you taste it, you will …

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Pressure Canning Ketchup: When and Why to Use It

October 18, 2026 by Emma Clark

Picture this: it is mid-January, and you reach into the pantry and pull out a gleaming jar of ruby-red homemade ketchup that tastes like peak summer. That is the promise of canning, and a hissing pressure canner on the stovetop feels like the most serious way to do it. But here is the twist most home canners do not expect: …

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How to Can Tomato Ketchup Safely (Water Bath Method)

October 13, 2026 by Emma Clark

Step-by-step water-bath canning for shelf-stable ketchup, with safety tips and processing times.

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How Long Does Homemade Ketchup Last? Storage Guide

October 13, 2026 by Emma Clark

Fridge, freezer, or pantry — exactly how long your homemade ketchup stays fresh in each.

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Freezing Ketchup: Does It Work?

October 13, 2026 by Emma Clark

Yes, ketchup freezes beautifully — here is the ice-cube-tray method and what to expect on thawing.

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Canning Safety: Avoiding Botulism in Tomato Products

October 13, 2026 by Emma Clark

Acid levels, tested recipes, and safe practices every home canner must know.

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Best Jars and Bottles for Homemade Ketchup

October 13, 2026 by Emma Clark

Mason jars vs. squeeze bottles vs. woozy bottles — the best containers for every storage method.

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How to Tell If Your Ketchup Has Gone Bad

October 13, 2026 by Emma Clark

Off smells, color changes, and fizz — the clear signs your ketchup has spoiled.

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Fermented Ketchup: A Probiotic Twist

October 13, 2026 by Emma Clark

Lacto-fermentation adds tangy complexity and gut-friendly probiotics to homemade ketchup.

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Labeling and Gifting Your Homemade Ketchup

October 13, 2026 by Emma Clark

Charming labels, packaging ideas, and tips for giving ketchup as a memorable homemade gift.

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Emma Clark

Hi, I'm Emma Clark - homemade ketchup lover and recipe developer! I created FoodTomato to share classic ketchup recipes, canning tips, and preservation guides.

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