Boil vs. Simmer: What's the Difference? (2024)

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Boiling Simmering FAQs

Boiling and simmering are common terms that you've probably seen before in recipes. These moist-heat cooking methods are not so different, but they're also not exactly alike either. Understanding the difference between simmering and boiling — and knowing when to use one or the other — can make or break a recipe.

How? Think about it. Simmer a pot roast and it becomes tender and moist. Boil it, and you'll be left with tough, chewy meat. Similarly, boiling pasta renders it a perfect al-dente, while simmering makes it gummy and glue-like. Let's take a closer look at the characteristics of each cooking method.

Boiling

Boiling takes place at 212 degrees F, which is the boiling point of water at sea level. A sure sign of boiling water (or any liquid) is when the surface bubbles furiously and the liquid beneath it churns vigorously. You should also see a good amount of steam escaping from the pot.

Boiling is used to cook pasta and vegetables (like kale, broccoli, carrots, or green beans), or when reducing and intensifying a sauce. If you've ever made Lowcountry Boil, then you'll make use of boiling to cook the shrimp, corn, and other essential components. Boiling is also crucial part of making bagels from-scratch — doing so gives them a superior texture and flavor while also helping them brown better in the oven.

Simmering

Boil vs. Simmer: What's the Difference? (2)

Simmering, on the other hand, occurs at 180-190 degrees F and is much gentler than boiling. Instead of vigorous bubbles, you'll see smaller bubbles that break the surface of the water. The water may even shimmer, as though it's about to move. Maintaining a simmer can require close attention, because as heat builds in a pot, a simmer easily can turn to a boil.

When we want to cook food low and slow in liquid, simmering is the best option. Simmering helps break down the connective tissue of tougher cuts of meat such as chicken thighs, beef pot roast, pork shoulder, and lamb shanks. You'll also want to simmer more delicate foods such as poached eggs or poached fish.

Simmered food takes much longer to cook than boiled food, but the depth of flavors you're able to achieve are well-worth the extra time. A soup that's simmered for hours — such as chili or beef stew — becomes hearty and wholesome comfort food. You can also maintain a simmer in the oven, such as in this classic coq au vin recipe, but you'll have to bring the pot to the proper temperature on the stovetop first.

Yes, boiling and simmering are different processes, but oftentimes, they work together in recipes. You may see a line in the instructions that says, "Bring to a boil, then reduce to simmer." You'll achieve a more accurate and even simmer in the pot when you're lowering the heat from boiling.

The amount of time it takes for your water to simmer or boil depends on the type of stovetop you're using. Because a gas range generally heats up faster than an electric range, water will come to a boil faster. Gas also delivers better heat control than electric, so you'll have a much easier time finding the ideal simmering temperature. Whether you're boiling pasta or simmering chicken thighs, understanding the heating abilities of your stovetop will ultimately lead to tastier, perfectly-cooked food.

Boil vs. Simmer: What's the Difference? (2024)

FAQs

Boil vs. Simmer: What's the Difference? ›

Simmering, on the other hand, occurs at 180-190 degrees F and is much gentler than boiling. Instead of vigorous bubbles, you'll see smaller bubbles that break the surface of the water. The water may even shimmer, as though it's about to move.

What is the difference between simmer and boil? ›

Boiling liquids at high temperatures yields large bubbles at the bottom of the pot, which quickly rise to break the surface of the liquid. Simmering—ranging from a low simmer to a gentle boil—is characterized by a subtler movement of small bubbles from the bottom to the surface of the water.

Do you simmer with lid on or off? ›

You can simmer with the cookware lid on or off, simply follow your recipe instructions. Keep in mind that when using a cover, you'll want to set your stovetop to a low setting as it can reach a simmer faster than without a cap. When you're not using a lid, adjust your stovetop setting to medium.

What happens if you boil meat instead of simmer? ›

Boiling meat can also result in overcooking, which makes it tough and dry. As the meat heats up beyond 150 degrees Fahrenheit, which is the well-done point for a steak, the fibers contract, lose their moisture, and become very firm.

What temperature is considered simmer on a stove? ›

When a recipe asks you to “simmer a pot of water” or “leave it at a simmer,” that means you're heating that liquid until it reaches a temperature between 180–200°F (82–93°C). Depending on your stove, you'll want to set your burner between low to medium-low heat.

Why would someone want to simmer food instead of boil it? ›

When we want to cook food low and slow in liquid, simmering is the best option. Simmering helps break down the connective tissue of tougher cuts of meat such as chicken thighs, beef pot roast, pork shoulder, and lamb shanks. You'll also want to simmer more delicate foods such as poached eggs or poached fish.

Does simmer mean no heat? ›

Simmer: Medium-low heat, gentle bubbling in the pot. Most often used for soups, sauces, and braises. Rapid Simmer: Medium- to medium-high heat, more aggressive bubbling in the pot, but the bubbles should still be fairly small. Most often used for reducing sauces.

Should you stir while simmering? ›

Stirring with a wooden or stainless steel spoon can bring down the temperature of your dish and help prevent simmering from progressing to a boil. You can avoid overheating your dish by periodically removing the pot from the stovetop, then slightly lowering the heat before returning it to the stovetop to simmer.

Should you simmer sauce covered or uncovered? ›

Simmering and Boiling

In the event that your goal is to keep moisture in—like when your pot of soup, stew, or sauce is already at the right consistency, but you want to keep cooking the vegetables and melding the flavors—leave the lid on to keep any more liquid from evaporating.

Should I simmer on high or low? ›

A simmer happens over medium-low heat, and you'll see a few gentle bubbles in the liquid. It's used to braise or to cook soup or chili. It's also great way to parcook slow-cooking ingredients in the same pan with quicker-cooking ingredients.

Does meat get more tender the longer you simmer it? ›

Your meat will be juicier and more tender

The longer cooking time and the low heat complement each other perfectly. As a result, even though the meat is cooked for far longer, it doesn't dry out because the temperature is low. As a result, this is the best way to retain all the natural juices of the meat.

Why should you not boil chicken broth? ›

Just as when you're making stock for soups or stews, boiling will cause soluble proteins and rendered fat to emulsify into the cooking liquid. By simmering, you avoid emulsifying the fat and thus keep the stock clearer, and we found that the scum created simply settled to the bottom of the pot.

Why does soup say "do not boil"? ›

Boiling soup leads to mushy veggies and tough meat

According to Patch, boiling soup can make your vegetables fall apart, and your meat overcooked and tough. Boiling causes rapid movement for the food in the pot, which allows your ingredients to bump into each other and start to break down, Bake Instinct explains.

How is simmering different from boiling? ›

BOIL: Liquid reaches 212 degrees ; large bubbles vigorously rise from bottom of pot and continually break surface. SIMMER: Liquid reaches 180 to 190 degrees ; small bubbles rise from bottom of pot and occasionally break surface.

Is it better to simmer with the lid on or off? ›

Keep the stove on medium-low heat for a steady simmer. 2. Keep the lid off the pot. Boiling uncovered water causes evaporation, whereas simmering uncovered water keeps most of the cooking liquid in the pot.

Is it better to boil or simmer soup? ›

Cooking time: Simmering usually implies longer cooks since the heat is low. Boiling water, on the other hand, is at a higher temperature - thus cooking food more quickly. Uses: Simmer when braising tough cuts of meat or making stews.

Should you simmer or boil to reduce liquid? ›

Boil your liquid, then reduce heat to a simmer.

If you continue to boil your ingredients, it might burn or stick to the sides of the pan. Excess heat might also cause the sauce to reduce too quickly or leave it with a bitter taste.

Why simmer instead of boil broth? ›

By simmering, you avoid emulsifying the fat and thus keep the stock clearer, and we found that the scum created simply settled to the bottom of the pot. UNDER A CLOUD: Boiling produces a cloudy broth because the agitation emulsifies rendered fat and soluble proteins.

How should I simmer it? ›

To simmer a liquid, such as a broth or sauce, put it in a pot on the stovetop and set the heat to medium-low. After a few minutes, you should start to notice bubbles rising to the surface of the liquid. If your recipe calls for a slow simmer, aim for a few small bubbles every 1-2 seconds.

Does simmering or boiling thicken? ›

The easiest way to thicken a sauce is by reducing the amount of liquid. This can be done by simmering your sauce or bringing it to a full boil—do this uncovered, so the steam can escape.

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