How to Can Soups
Question: I want to know about pressure canning soups. I usually make chicken soup with large egg noodles. Is it okay to add noodles at the time of canning or will they get mushy? I have never...
Category: Tasty Bites
Canning Thanksgiving Specialities
Do your friends and neighbors have pumpkin or hard winter squash on hand? Do they have lots of cranberries? How about turkey? They may want to have that goodness at Thanksgiving or throughout the...
Acidifying Pressure Canned Tomatoes
“My recipe for raw packed tomatoes with no added liquid provides both boiling water canning and pressure canning options. Do I really need to acidify the tomatoes if I use the pressure canning...
Safely Storing Food
You may be asked: How long is it safe to store leftovers in the refrigerator? Is it safe to eat that meat found in the back of the freezer? How long is too long to store home-canned jars of...
Canning Tomato Products To Acidify of Not to Acidify
Why Acidify Tomatoes? Tomato varieties have been bred for ease in harvesting; as a result many now have milder flavor and lower acidity than the ancestral tomatoes. Testing has shown that some...
Available Moisture in Foods: What Is It Anyway?
Food preservation methods such as drying, freezing and adding salt or sugar work by lowering the available moisture in foods. Moisture in foods occurs in two forms: (1) water bound to ingredients in...
What is pH?
The pH value of a food is a direct function of the free hydrogen ions present in that food. Acids present in foods release free hydrogen ions; the hydrogen ions give acid foods their distinctive sour flavor. Thus, pH may be defined as a measure of free acidity. More precisely, pH is defined as the negative log of the hydrogen ion concentration. The range of pH extends from zero to 14. A pH value...
Why Blanch?
Why blanch vegetables before freezing? Blanching vegetables before freezing them is critical to their quality, but not their safety. Blanching is scalding vegetables in boiling water or steam for a...
Why Foods Need to be Preserved?
Why do foods need to be preserved? In other words, what spoils them? Enzymes: Foods begin as living systems. The enzymes that ripen fruits on briars or trees and vegetables on stalks or vines...
Filling Formula: Don’t Pack Too Tight
Directions for filling canning jars are included in the canning recipes recommended by USDA and Clemson. Following these directions carefully is critical. The safety of a specific process has been...
Canning With Half-Gallon Jars
Half-gallon canning jars are available from at least one canning jar manufacturer. That manufacturer indicates that half-gallon jars should only be used for highly acidic foods in a boiling water canner. Their recommended choices are grape juice and apple juice. The USDA, Clemson Extension and the University of Georgia’s National Center for Home Food Preservation recommend process times only for...
Alternatives to Smooth Top Ranges
We have previously mentioned issues with canning on smooth top ranges. Clemson Extension makes no recommendations about pressure canning on smooth top ranges. We do recommend that consumers with...