Starting the journey of canning french onion soup is like capturing a cozy autumn afternoon in a glass jar. My first experience with canning french onion soup happened during a particularly rainy October, when I found myself with a massive surplus of yellow onions from the local farmer’s market. I spent hours in the kitchen, the air thick with the sweet, savory aroma of caramelizing onions, and by the end of the day, I had rows of beautiful, golden jars ready for the winter. There is something incredibly satisfying about hearing the ‘pop’ of a sealing lid, knowing that a gourmet meal is waiting for you on a busy Tuesday night. This recipe has become a staple in my home, transforming a humble vegetable into a luxury convenience food. If you love a warm bowl on a cold day, you might also enjoy my Creamy Lemon Chicken Soup Recipe for a different kind of comfort.
Why This Recipe is a Must-Try
- Ultimate Convenience: Having canning french onion soup on your shelf means a restaurant-quality meal is only five minutes away; just heat, melt cheese, and serve.
- Deep Flavor Profile: Slow-caramelizing the onions before canning french onion soup creates a rich, umami depth that store-bought versions simply cannot match.
- Pantry Longevity: Proper canning french onion soup allows you to preserve the harvest for up to a year, ensuring you always have a base for quick dinners or French dips.
- Cost-Effective: Onions are one of the most affordable vegetables, making canning french onion soup an economical way to stock a gourmet pantry.
Key Ingredient Notes
When you are canning french onion soup, the quality of your ingredients determines the final outcome. Use a mix of yellow and red onions for a complex sweetness. The beef broth should be high-quality and low-sodium so you can control the salt levels during the long reduction process. A splash of dry red wine, like Cabernet or Merlot, is essential for deglazing the pan and adding that signature sophisticated tang. Fresh thyme and bay leaves provide the herbal backbone that balances the sweetness of the caramelization. For those who prefer a meatier option, my Cozy Lasagna Soup Recipe is another pantry favorite, but nothing beats the elegance of this onion classic. If you have leftovers of the fresh ingredients, Basics Glass Food Storage containers are perfect for keeping them fresh in the fridge.
Step-by-Step Guide with Pro Tips
The process of canning french onion soup begins with patience. You must slice about five to six pounds of onions thinly and evenly. Use a mandoline if you have one to ensure consistency. In a large heavy-bottomed pot, melt butter and olive oil over medium-low heat. Add the onions and cook them slowly. This is the most critical part of canning french onion soup; you are not just sautéing them, you are caramelizing them until they are a deep, jammy brown. This can take anywhere from 45 to 90 minutes. Do not rush this, as the color of the onions provides the color and flavor of the soup. Once dark brown, deglaze the pot with the wine, scraping up all the flavorful bits from the bottom.
Next, add your beef broth and herbs. Bring the mixture to a simmer for about 20 minutes to meld the flavors. When canning french onion soup, remember that you are using a pressure canner because onions and broth are low-acid foods. Fill your sterilized jars, leaving one inch of headspace. Wipe the rims carefully to ensure a perfect seal. Process the jars according to your altitude and the specific requirements of your pressure canner. This ensures your canning french onion soup remains shelf-stable and safe for your family to enjoy months later.
Variations & Serving Suggestions
While the classic version is hard to beat, you can get creative with canning french onion soup. For a vegetarian version, swap the beef broth for a rich roasted vegetable stock. If you want a bit of heat, add a pinch of red pepper flakes during the simmering stage. When it comes time to serve your canning french onion soup, the traditional way is best: ladle the hot soup into oven-safe bowls, top with a thick slice of toasted baguette, and pile on the Gruyere or Swiss cheese. Broil until the cheese is bubbly and slightly charred. You can also use the soup as a flavorful base for pot roasts or as a braising liquid for chicken thighs. The versatility of canning french onion soup makes it one of the most hardworking jars in your pantry.
Nutrition Information
| Nutrient | Amount |
|---|---|
| Calories | 185 kcal |
| CarbohydrateContent | 18g |
| CholesterolContent | 15mg |
| FatContent | 9g |
| FiberContent | 3g |
| ProteinContent | 6g |
| SaturatedFatContent | 5g |
| ServingSize | 1 cup |
| SodiumContent | 840mg |
| SugarContent | 7g |
| TransFatContent | 0g |
| UnsaturatedFatContent | 3g |
Carrying out the process of canning french onion soup is a labor of love that pays off every time you open a jar. It turns a simple weeknight into a special occasion with very little effort at the moment of serving. Whether you are an experienced canner or a beginner looking to expand your skills, canning french onion soup is a rewarding project that elevates your home cooking. I hope this guide inspires you to fill your shelves with the golden goodness of homemade soup. Happy canning!
FAQs
Can I water bath canning french onion soup?
No, you cannot water bath canning french onion soup. Because onions and beef broth are low-acid foods, they must be processed in a pressure canner to prevent botulism and ensure safety.
How long does canning french onion soup last in the pantry?
When stored in a cool, dark place, properly processed canning french onion soup will maintain its best quality for 12 to 18 months.
What are the best onions for canning french onion soup?
Yellow onions are the standard choice for canning french onion soup because they have a high sugar content and hold their shape well, but adding some red onions or Walla Walla sweets can add extra depth.
Canning French Onion Soup
A rich, savory, and shelf-stable version of the classic French Onion Soup, perfect for quick gourmet meals.
- Total Time: 3 hours 45 minutes
- Yield: 7 quarts 1x
Ingredients
6 lbs yellow onions, thinly sliced
4 tbsp unsalted butter
2 tbsp olive oil
6 quarts high-quality beef broth
1 cup dry red wine
4 sprigs fresh thyme
2 bay leaves
1 tbsp sea salt
1 tsp black pepper
Instructions
Step 1: Melt butter and olive oil in a large stockpot over medium-low heat.
Step 2: Add sliced onions and cook, stirring occasionally, for 60-90 minutes until deep brown and caramelized.
Step 3: Pour in the red wine to deglaze the pot, scraping the brown bits (fond) from the bottom.
Step 4: Add beef broth, thyme, bay leaves, salt, and pepper. Bring to a boil and then simmer for 20 minutes.
Step 5: Remove the thyme sprigs and bay leaves from the mixture.
Step 6: Ladle the hot soup into sterilized quart jars, leaving 1 inch of headspace.
Step 7: Wipe jar rims, apply lids and bands, and process in a pressure canner for 90 minutes (quarts) or 75 minutes (pints) at 10-11 lbs pressure (adjust for altitude).
Step 8: Allow the canner to depressurize naturally before removing jars and letting them sit for 24 hours.
Notes
Always use a pressure canner for this recipe as onions and beef broth are low-acid foods. Ensure your jars are properly sterilized before filling.
- Prep Time: 45 minutes
- Cook Time: 3 hours
- Category: Dinner Dishes
- Cuisine: French
Nutrition
- Serving Size: 1 cup
- Calories: 185 kcal
- Sugar: 7g
- Sodium: 840mg
- Fat: 9g
- Saturated Fat: 5g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 15mg
Keywords: canning french onion soup, pressure canning soup, home canning, pantry staples, onion recipe
