Can Whole Tomatoes
When making a good sauce, you sometimes need whole tomatoes. You can easily can tomatoes instead of purchasing. This is perfect when your garden is plentiful with the San Marzano tomatoes and you want them, but not ready to fully process them into tomato sauce.
How to Can Whole Tomatoes | San Marzano
- Water Bath Canner
- canning utensils
- sterilized jars, bands & seals/lids
- cutting board
- strainer pot to blanch tomatoes in
- large bowl
- San Marzano tomatoes, washed
- lemon juice
- Take the washed tomatoes and cut off the tops of the tomatoes.
- Discard the tops and place the tomatoes into a pot.
- Once you have filled the pot with tomatoes, fill with water and heat until the tomatoes blister.
- Remove from the heat, placing the tomatoes into a bowl to cool so you can handle, but not cold.
- Warm up water in the canner while processing tomatoes.
- Remove the skins from the tomatoes and place them into sterilized jars.
- We have found that if the tomatoes are slightly cool, you can squeeze the tomato from the bottom and it will slip out of the skin easily into the jar.
- Fill the jars, leaving 1 inch head space.
- Place 1 Tablespoon of lemon juice in each quart.
- Wipe the rim with a clean wet sterile towel and place a seal on. Hand tighten the band onto the jar
- Place the filled jars into the water bath canner.
- Process the tomatoes 40 minutes for quarts, 35 minutes for pints, adjusting for your elevation if needed.
- Turn off heat, allow the jars to sit 5 minutes and remove.
- Check to make sure the jars have sealed (the seal will not pop when you push it in the middle).
- Label and date the jars.
- Store in your pantry until needed.
Should You Remove the Skin Before Canning?
The skin on San Marzano’s is thicker, so I would recommend you remove them before canning whole tomatoes.
Do You Need to Can Ripe Tomatoes?
To get the best flavor of tomatoes, you need to can fresh tomatoes at their peak ripeness. Tomatoes will not ripen further after being canned.
How Do You Peel Tomatoes?
We found that when the tomatoes are blanched, and cooled to touch, you can easily squeeze the tomato out of the skin and into the jar. Do not try to peel hot tomatoes!
Are San Marzano Tomatoes Canned Whole?
Yes. They are small enough and do not need to be sliced or halved. Canning them this way allows you to use them in soups, sauce or whatever you decide when it’s time to use them. You can do the same with plum or Roma tomatoes as well.
- You will want to make sure the tomatoes are ripe for the best flavor later
- Cutting off the tops of the tomatoes allows for easily peeling later
- The tomatoes will need to cool enough to handle, but not completely cool
- If you don’t have lemon juice, you can use red wine vinegar or citric acid
- Use quart size canning jars to maximize the amount of space you have