How Long does Mustard Last?

Do you want to know how long mustard lasts, how to freeze it, and how to store it properly? So let’s start! So let’s start! You will get all the information about Mustard here. This article will guide you on how long mustard will keep in the refrigerator, some helpful tips for extending mustard’s shelf life or freezing small amounts of mustard, and how to tell if mustard has gone bad.

How Long does Mustard Last?

The mustard will maintain its quality for around one to two months at room temperature and about a year when refrigerated. Although mustard will continue to be fresh for an additional two to three years after its “best by” date, this is not the only sign.

It easily lasts past the printed date and has a shelf life of around a year. If you keep it in the refrigerator once you’ve opened it, it will keep for several months. If you store it at room temperature, it will degrade much more quickly and likely spoil within two months of opening.

Some Useful Tips to Enhance the Shelf Life of Mustard:

  • Refrigerate it: Always keep mustard in the refrigerator when not in use by tightly sealing the lid or transferring it to an airtight container.
  • Maintain it outside the door: Since the refrigerator door is opened frequently, food products kept inside are more frequently exposed to warmer temperatures. Instead, place the condiment on a shelf and move it to the back of the fridge to keep it fresher for longer. This can shorten the shelf life. This can shorten the shelf life.
  • Keep the same temperature: Temperature changes might cause moisture to condense inside the container. To prevent early deterioration, keep the temperature of the entire jar as constant as you can, and always keep out of direct sunlight.
  • In Glass: When preserved in glass jars instead of plastic squeeze bottles, mustard will keep its freshness longer.
  • Stay away from contamination: When serving mustard, make sure always to use clean utensils to prevent cross-contamination. Each time you dip your spoon into the jar, ensure it is clean.

How Long does Mustard Last in a Fridge?

Mustard should be kept in the fridge after being opened to keep it fresh. When kept in the refrigerator according to instructions, dry, yellow, Dijon, and honey mustard all last for one year. Depending on the ingredients, homemade mustard has a finite shelf life.

Compared to recipes with a lower vinegar content, those with a greater vinegar percentage will keep better. Like fresh lemon juice, vinegar creates a natural acidity that preserves the item. The refrigerator only keeps mustard packets fresh for six months, giving them a reduced shelf life.

How to Store Mustard Safely?

If you store the mustard properly, you can use it without throwing it away because it will survive that long. It should be stored away from heat sources and direct sunshine in a cold, dark location. An unopened jar or bottle can be kept at room temperature. Therefore, the best options are a kitchen cabinet or a pantry. Here are some useful tips for storing: 

  • Pick the Proper Place: After purchasing mustard, store it in your cupboard until you’re ready to use it. You might also keep it in a kitchen cabinet. The area where you keep flour, spices, and other dry foods are the best storage place. A dry, dark area away from heat sources and direct sunlight is ideal. A dry, dark area away from heat sources and direct sunlight is ideal. Avoiding jarring temperature swings and heavy humidity is preferable.
  • Seal Securely: Open mustard should be stored in the fridge between usage. The use of an airtight container is the ideal solution. The use of an airtight container is the ideal solution. Always shut the jar tightly before re-putting it in the refrigerator. Doing this can prevent bacteria from growing and the mustard from absorbing the smell of chilled foods.
  • Clean your Utensils: Food contamination from external sources is the main reason why mustard spoils. Always use a clean scoop to put the desired quantity on a plate. Never dip your meal or your fingers into the mustard jar immediately. It is preferable to divide a little bit into a shallow dish or tray before using it for dipping.
  • Mix it: When kept in the refrigerator, mustard might dry out over time, but this doesn’t imply it has gone bad. If you give it a brief toss and, if necessary, some vinegar, you can salvage it. Combine the liquid and dense components with a spoon to create a creamy, uniform mixture.
  • Discard leftovers: Never put the mustard leftover from the plate back in its original packing since you risk tainting the entire batch. It is preferable to sacrifice a small amount of food on the plate instead of contaminating the entire package.

Can you Freeze Mustard in Small Amounts?

Whether you’re looking to save some money on mustard or keep your condiment fresh, freezing it can be a simple and stress-free way. You can freeze mustard in several ways, but the easiest way is to freeze it in individual servings. It’s a great way to avoid refreezing and allows you to store mustard in airtight containers to stay fresh. You’ll want to use a freezer bag when you’re freezing mustard.

Ensure you use a freezer bag that is pressed flat to ensure that you’re getting the most out of your storage space. Ensure you use a freezer bag that is pressed flat to ensure that you’re getting the most out of your storage space. This will help to keep the mustard from getting ruined, and it will also help to keep the bag from getting distorted. You’ll also want to keep the bag airtight. If you want to freeze large quantities of mustard, you can use a plastic box.

Small amounts of mustard can be preserved in a variety of ways. Alternatively, you may equally distribute a teaspoon or two of mustard on a baking paper or aluminum foil sheet. After that, gently place it in the freezer and give it two to three hours. Once the mustard pieces are frozen, move them to an airtight container or zip-top bag to save freezer space.

You can also use muffin tins, ice cube pans, or tiny baby food containers for more convenient storage. Avoid using the microwave to thaw out mustard. It can be preferable to place the cube directly into the dish made or to leave it in a jar on the kitchen counter overnight. If not, separation is likely.

How can you Detect if the Mustard has Gone Bad?

The best way to detect if mustard has gone bad is to look at it and smell it. When mustard spoils, it releases a sour or unpleasant odor. Additionally, there can be a problem with the flavor or look, and there might even be mold.

Finally, if the liquid has separated from other ingredients, it can be a symptom of spoiling. Finally, if the liquid has separated from other ingredients, it can be a symptom of spoiling. The good news is that you can easily check the following to determine if mustard has gone bad: color, texture, taste, scent, and mold. Let’s discuss each of them.

  • Color: It’s normal for mustard to change color over time, but if it has turned a sickly yellow, very light, or a darker greenish-brown, it has likely gone bad.
  • Texture: It’s okay if there is a little drying on the surface or close to the lid. Mustard frequently dries out or separates over time. Mustard frequently dries out or separates over time. It is time to throw out the mustard if it is chunky and doesn’t blend well, runny, or if you notice a dry lump at the bottom of an opened or unopened jar.
  • Taste: It has a burning, bitter, or highly acidic taste.
  • Aroma: One of the strong indicators to look for is the smell of mustard. If mustard smells rancid or sour, it most likely has germs growing inside of it. It is always impossible to eat something that has a bad odor. Time to get rid of it.
  • Mold: It’s problematic if mold develops on the outside, even on the lid. Bin it. Knowing the shelf life of the various types of mustard is helpful after looking at the spoiling indicators. Doing so allows you to purchase new bottles before the present ones run out.

Is it Okay to Eat Expired Mustard?

It is safe to eat mustard if it has been properly stored and shows no indications of rotting because mustard is typically safe to eat even after its best-by date. Spices and an acid-based liquid, like vinegar or lemon juice, are combined to make mustard.

One of the factors contributing to its longer shelf life is the vinegar base. Therefore, if mustard has been preserved properly, it is difficult to go bad fast. However, just because something “expired” doesn’t mean it can still be consumed. In the worst situation, you can get moderate signs of food poisoning, like diarrhea, nausea, and vomiting.

Don’t eat the mustard if its distinctive flavor or fragrance has altered; instead, get a new package. Mustard is also used as a cosmetic or medicinal in several alternative therapies. Because prolonged exposure to mustard can result in burns, blisters, and ulcers, you should use caution while putting it on your skin.

Is Mustard Suitable for Keto?

Most keto diets can be followed with mustard because it normally has little carbohydrates. Check your labels carefully because some mustard varieties may have been sweetened with carb-rich substances.

Although linoleic and linolenic acids are both necessary fatty acids, it is desirable to have less than 3% of linolenic acid to maintain the stability of the oil. Low erucic acid is advised for dietary purposes, while high erucic acid content is advantageous for the polymer sector.

Reference: GLC analysis of Indian rapeseed-mustard to study the variability of fatty acid composition.

Is Mustard Gluten-Free?

Gluten is not naturally present in mustard seeds. It can be processed into a gluten-free powder, flour, or oil. Always read ingredient labels because wheat might be used as a thickening factor in items that include mustard.


The extremely adaptable mustard was one of the typical condiments that we discovered some fascinating facts about in this post. We discovered the shelf life of mustard. We discovered the circumstances in which it’s acceptable to consume expired mustard.

Despite having beyond its expiration date, mustard is a food that can be used. It can be kept in the refrigerator or pantry, while freezing is a less usual storage option. Its caliber will, however, deteriorate over time. Mustard can become bad for some reasons, so you should check it before using it.