How to thicken a stew (2024)

Sometimes you finish cooking a stew, casserole or other gravy-based dish like a pie filling, and while you're happy with the flavour, it's still too runny. This happens more often with dishes made in slow cookers as they don't allow water to evaporate.

At this point you have a choice: you can boil off some of the liquid (but this will also concentrate the flavour, which you may not want, and you could overcook the ingredients), or you can add an ingredient that will not affect flavour but simply thicken the liquid for a creamier texture.

The three main thickening agents for gravies are flour, cornflour and arrowroot. The first two are normally used in savoury dishes while arrowroot tends to be used in sweet dishes – that said, arrowroot will work in a savoury dish as it has no flavour. All three contain starch that swells when mixed with liquid and heated.

Using flour as a thickener

How to thicken a stew (1)

Flour can be used in three ways:

1. It can be added to the meat as it's being fried, before liquid is added, and this way it will thicken a stew as it cooks. We use this method in our beef & vegetable casserole recipe.

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2. Flour can be mixed with a little cold water to make what is unattractively called a ‘slurry’, which is then stirred to disperse it and stop it forming clumps – a technique called ‘slaking’. After adding to the stew, it's brought to the boil to cook out the flour taste and allow the starch to swell. Try this using 1 tsp flour at a time, incorporating each lot before adding another.

3. Alternatively, you can mix equal quantities of flour and butter (and/or oil) together to make a paste called ‘beurre manie’. Whisk bits of the resulting paste into the hot stew where they will dissolve and disperse the flour. (This works better if you have lifted the meat or veg out of the gravy or sauce, first.) Use 1 tbsp flour and 1 tbsp butter to start and whisk it in bit by bit, then make more if you need to. Make sure you boil the liquid for a couple of minutes to cook out any raw flour. Use this method in our coq au vin recipe.

Using cornflour as a thickener

How to thicken a stew (2)

Cornflour is an ideal thickener if you're a coeliac or simply intolerant to gluten, because as the name suggests, it is made from corn. Be aware, though, that it produces a slightly more gelatinous texture than flour, so don’t overdo it or you’ll end up with a slightly gloopy sauce. It also works well for healthy cooking as it doesn’t add as many calories to a dish.

Try this in our ultimate makeover: chicken pie recipe.

How to thicken slow cooker stews and casseroles

The nature of slow cookers is that they don’t ever get very hot, so this means that any thickener may not, depending on the model, ever get hot enough for the starch to swell – remember that both flour and cornflour need to be boiled. It may be necessary to transfer the sauce or gravy to a saucepan in order to boil it.

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Do you have a secret ingredient to thicken your stews? Leave a comment below...

How to thicken a stew (2024)

FAQs

How to thicken a stew? ›

Use cornflour or cornstarch.

How do I make my stew thicker? ›

Whisk a teaspoon of flour in a little cold water to make a slurry, then stir into the stew as it's cooking. Don't add dry flour directly to the stew as it may clump. After adding the slurry, bring the stew to boil. This will cook out the flour taste and allow the starch to swell.

What to do if stew is too watery? ›

Add cubed potatoes to the stew to absorb excess liquid, or add potato flakes, mashed potatoes, or a potato purée to thicken your stew. Start with a beurre manié. Sometimes known as a flour slurry, a beurre manié is essentially an uncooked roux.

Is it better to thicken stew with flour or cornstarch? ›

Cornstarch has twice the thickening power of flour. When a gravy, sauce, soup or stew recipe calls for flour, use half as much cornstarch to thicken. To thicken hot liquids, first mix cornstarch with a little cold water until smooth. Gradually stir into hot liquid until blended.

How much cornstarch to thicken 4 cups of stew? ›

Whisk together equal parts cornstarch (or arrowroot) and water or broth, then whisk it into the pot of soup. A good ratio to get to a pleasant thickness without your soup tasting goopy or heavy is one tablespoon. slurry to 4 cups of soup.

What is the secret ingredient to thicken soup? ›

Soup Thickening Method: Cornstarch Slurry

About this method: One of the most common ways to thicken sauces and soups is with a starch-based slurry, and cornstarch is a popular choice. Cornstarch is flavorless, easy to mix up, and versatile, which makes it a go-to pantry ingredient.

What makes stew thicker than soup? ›

A stew's meat or vegetables are barely covered with cooking liquid (usually water, broth or stock, oftentimes enhanced by wine or beer for additional flavor) and, during cooking, the liquid reduces to a gravy-like base that is sometimes thickened by flour, cornstarch or a roux.

Can you add more water to stew? ›

You can also cut the beef stock with water or use more chicken stock for more flavor. After you've finished deglazing, add the meat back into the pot and pour in your broth. Add water to cover everything by a half an inch or so. Bring the stew to a boil and then reduce the heat to low.

Which of the following can be added to thicken a stew? ›

Cornstarch, potato starch, and chickpea flour are a couple of pantry-friendly ways to thicken soups, stews, and sauces in the slow cooker. Just a tablespoon or two of any — added towards the end of cooking — will thicken sauces especially well.

Will milk thicken a stew? ›

Milk has often been an easy choice to thicken soups and broths for several reasons: You usually have some in your kitchen, it's easy to find some at your local grocer, and it's cheap. Choose high-fat organic milk without hormones and other additives to thicken your soup.

How much plain flour to thicken stew? ›

Use two tablespoons flour mixed with ¼ cup cold water for each cup of medium-thick sauce. Thoroughly mix in the water to prevent lumps. After stirring the combined flour and water into the sauce, cook and stir over medium heat until thickened and bubbly. Heat one minute more to cook the flour thoroughly.

Do potatoes help thicken stew? ›

Carbohydrates like potato starch are natural thickening agents, so try to use a particularly starchy potato, like a russet potato or a Yukon Gold potato, and make sure to use raw potatoes rather than already cooked potatoes.

What happens if you put too much cornstarch in stew? ›

You cannot fix this. If you leave it as it is it's an unpleasant tasting mess as cornstarch is not totally flavorless, and if you heat it you will get rid of the taste somewhat but the starch will thicken the sauce so much that it's practically solid.

How do you thicken stew quickly? ›

Simply knead equal parts softened butter and flour together in a bowl with your fingers until well-combined (beurre manié literally means “kneaded butter”) and then roll into small bits. Add the bits gradually to your stew, whisking until it noticeably thickens.

Why isn't my cornstarch thickening? ›

Cornstarch must be cooked to 95°C (203°F) before thickening begins. At that point, it usually thickens fairly quickly and the sauce turns from opaque to transparent. When cornstarch thins after it's thickened, it's usually due to continued stirring.

How much cornstarch does it take to thicken 4 cups of liquid? ›

If you're cooking hot liquids like sauces, stock or broth, 1 tablespoon of corn starch per cup of liquid will give you a thin to medium consistency that's appropriate for soups or very thin sauces. 2 tablespoons per cup will give you a thicker, more gravy-like consistency.

How do I make my stew filling more? ›

Turn vegetables into a paste.

A simple method to thicken beef stew is to cook several whole vegetables in the stew pot, such as potatoes, carrots, onions and celery. After they have cooked and contributed to the overall stew flavor, they can be removed and blended into a paste with stock or some of the cooking liquid.

How do you thicken and darken beef stew? ›

You have lots of options;
  1. Use a spoon to mash some of the potatoes (gold works best). You can also buy potato starch from many grocery stores. ...
  2. Add leftover mashed potatoes.
  3. Add flour directly to the stew. ...
  4. Add gelatin.
  5. Add beef gravy granules. ...
  6. Keep a neutral thickener in your pantry.
Oct 1, 2023

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