Can you safely can pickled red onions?

Yes, you can safely can pickled red onions using a tested high-acid brine and proper water bath canning method. The vinegar must contain 5% acidity, and jars must be processed correctly.

Do pickled red onions need refrigeration after canning?

Unopened jars do not require refrigeration. However, once opened, they should be refrigerated and consumed within a few weeks.

Why are my pickled red onions soft?

Soft onions usually result from over-processing, using old onions, or slicing too thin. Always use fresh, firm onions and follow processing times carefully.

Can I reduce sugar in this pickled red onions canning recipe?

Yes, sugar can be reduced moderately. However, never reduce the vinegar amount, as that affects acidity and safety.

Pickled Red Onions Canning Recipe

Pickled Red Onions Canning Recipe – Easy & Safe Guide

Print Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

This Pickled Red Onions Canning Recipe creates tangy, sweet, and shelf-stable onions using a safe water bath method. Perfect for tacos, burgers, salads, and more, these vibrant onions last up to a year unopened.

Author: Catherine
Prep Time: 20 minutes
Cook Time: 10 minutes
Total Time: 30 minutes
Yield: 4 pint jars 1x
Category: Preservation

Ingredients

Scale

4–5 medium red onions, thinly sliced
3 cups white vinegar (5% acidity)
1 cup water
1 cup granulated sugar
1 tablespoon pickling salt
Optional: 1 teaspoon whole black peppercorns per jar
Optional: 1/2 teaspoon mustard seeds per jar
Optional: 1 garlic clove per jar
Optional: 1 bay leaf per jar
Optional: 1/4 teaspoon red pepper flakes per jar

Cook Mode Prevent your screen from going dark

Instructions

Wash and sterilize 4 pint mason jars and keep them hot until ready to use.
Peel and thinly slice the red onions evenly (about 1/8-inch thick).
In a large pot, combine vinegar, water, sugar, and pickling salt. Bring to a gentle boil, stirring until dissolved.
Pack sliced onions tightly into hot jars, adding optional spices if desired.
Pour hot brine over onions, leaving 1/2 inch headspace.
Remove air bubbles, wipe jar rims clean, and apply lids and bands fingertip tight.
Process jars in a boiling water bath for 10 minutes (adjust for altitude if needed).
Remove jars and let cool undisturbed for 12–24 hours. Check seals before storing.

Notes

Always use vinegar with 5% acidity for safe canning.
Do not reduce the vinegar ratio; sugar may be slightly adjusted.
Adjust processing time for higher altitudes.
For best flavor, allow jars to sit for 2–3 weeks before opening.
Store unopened jars in a cool, dark place for up to 12 months.
Refrigerate after opening and use within 3–4 weeks.

Nutrition

Serving Size: 1/4 cup
Calories: 45
Sugar: 9g
Sodium: 150mg
Fat: 0g
Saturated Fat: 0g
Unsaturated Fat: 0g
Trans Fat: 0g
Carbohydrates: 11g
Fiber: 1g
Protein: 0g
Cholesterol: 0mg

Find it online: https://recipeshots.com/pickled-red-onions-canning-recipe/