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How Many Bananas in a Cup?

Many recipes will call for "1 cup of mashed bananas" or "1 cup of sliced bananas" but it can be a struggle to figure out actually how many bananas are in a cup. In order to help make cooking easier we did some experiments to help tell you exactly how many bananas you need to buy.

To answer How many bananas in a cup we bought several pounds of bananas and went to work. Each pound of bananas contains about 3 or 4 medium bananas so we decided to use a medium banana as our standard of measurement. We then sliced and mashed the bananas to figure out how many bananas were needed for a cup.

We determined that for a cup of mashed bananas there are about 3 bananas needed. And for a cup of sliced bananas you need 1.5 bananas.

Did you know that bananas don't grow on trees but are actually a giant herb in the same plant family as lilies, orchids, and palms. Today Hawaii is the only place in the U.S. where bananas are grown commercially, whereas India is the largest producer. More than 100 billion bananas are eaten every year in the world, making them the fourth most popular agricultural product.

Now you know that there's 3 mashed bananas in a cup. You can also use our conversion tool below for any custom "how many bananas in a..." measurements you need. If you are mashing a lot of bananas you should definitely look into getting a potato masher to help out, it'll greatly speed up the process.

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Custom Conversions for Banana

One Banana Equals

  • There is ⅓ Cup (79 mls) of Mashed Banana in a Banana
  • There is ⅔ Cup (158 mls) of Sliced Banana in a Banana
I need:


You need 3 Bananas

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What Is A Banana

A banana is a fruit originally from Southeast Asia that grows on tall “trees” that are actually herbs, as they do not have a trunk.

Bananas grow in large bunches, with each bunch consisting of several “hands” of bananas. They are called hands because they resemble hands. Most bananas on a hand will ripen at the same time and only be good for a few days at most, so only buy as many bananas as you can use in a few days.

They contain starch when they are green that changes to sugar as they ripen.

Is a Banana a Fruit or Vegetable?

Bananas are not only classified as fruit but also in the subcategory of berries. Plantains, which are starchier and less sweet, are a type of banana.

For an item to be called a fruit, it must come from the ovary part of a flowering plant and hold the seeds.

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What Are the Types of Bananas?

There are over 100 varieties, but almost all the bananas sold in stores are Cavendish bananas. Ladyfingers, candy apple bananas and red bananas are sometimes available depending on where you live, and are smaller and sweeter than Cavendish bananas.

What Do Bananas Look and Taste Like?

Bananas are elongated cylindrical fruits, often with flat sides, 6 to 12 inches long. They are green when unripe, yellow or red when ripe, and brown or black when overripe or after being stored in the refrigerator.

They have a starchy dry mouthfeel when unripe, and are sweet and creamy when ripe. When overripe, they have a mushy texture and a mildly tangy fermented taste.

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What Are Bananas Good For and Used In?

Bananas are delicious eaten right out of the peel. They can be sliced to top breakfast cereal or peanut butter sandwiches. They are mashed and used in breads, cakes, and pudding, and can be treated with sugar and flambeed in Bananas Foster.

Because of their sweetness, they are used almost exclusively in sweet applications. In the Philippines, banana ketchup is a common condiment. Banana peels are infrequently used in savory recipes and as a substitute for meat in some vegan recipes, like banana peel bacon or curry. The peels can be used to wrap meats as they cook to keep them moist.

The flowers are also edible.

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What are Good Substitutes for a Banana?

Applesauce, avocado, ground and cooked oatmeal, cooked mashed sweet potatoes or pumpkin, or Greek yogurt or ripe plantains can be substituted for mashed banana in some baking recipes. Substitute ½ cup for each banana.

You may need to add sugar or honey to mimic the banana’s sweetness, and banana extract to get banana flavor.

Greek yogurt, mango, or cooked oatmeal can replace bananas in smoothies. You can replace eggs, butter and oil in baking recipes with mashed banana. Use the same volume of banana as the original ingredient calls for.

Any of these substitutions may change the texture of the final product.

Can I Feed Bananas to My Dog, Cat, or Other Pet?

Some dogs and cats enjoy bananas as a treat. As with any food that your pet doesn’t normally eat, only feed small amounts. Some omnivore birds and reptiles also enjoy fresh bananas and banana peels cut into small pieces. Do not feed dried bananas as they pose a choking hazard.

Do Bananas Give You Gas?

Some people complain of gas and bloating after eating bananas, because of their high fiber and sorbitol (a sugar alcohol) content. Of course, the more bananas you eat, the more likely they are to cause gas.

How to Store Bananas

Here's how we discovered to store bananas for freshness.

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How Long Do Fresh Bananas Last at Room Temperature?

Bananas purchased from the grocery store are often underripe (green), and ripen quickly at room temperature. They will usually ripen in 2-3 days and be good for 2-3 days. After that, they will develop brown or black spots, and the flavor changes as the sugars ferment.

They can be stored for a few days in the refrigerator once they are ripe. The peels will turn black, but the fruit will still be good.

If bananas ripen and you aren't ready to use them, they can be mashed and frozen for later use, usually in baked items.

Unripe bananas should not be refrigerated, because they will not ripen, even after they are taken out of the fridge.

To ripen bananas more quickly, put them in a brown paper bag with an already ripe fruit like an apple.

How to Store Cut Fresh Bananas

It’s best to cut bananas as you need them, because they will turn brown and soften quickly once sliced. You can put lime or lemon juice on them and wrap them snugly to prevent air from getting to them and store them in the fridge for 2-3 days. The citrus juice will affect the flavor.

How to Store Bananas in the Refrigerator

If you have ripe bananas you aren't ready to use, they can be stored in the fridge for a few days. The skin will turn very dark, but the fruit will stay good longer than at room temperature.

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Can You Freeze Bananas and if so How?

Bananas can be frozen whole (peeled or unpeeled) or mashed, but the texture will change and they will only be good for recipes that call for mashed bananas. Be sure to put them in a plastic bag to help prevent freezer burn and to prevent them from leaking juice if your freezer thaws for any reason.

How to Cut Bananas

Peel the banana by separating the peel at the stem end (sometimes a small knife is necessary to split the top, and then strips of the peel are pulled down the sides of the banana one at a time.

Lay the banana on a cutting board and slice it with a small paring knife. Bananas are usually sliced crosswise into disks for convenient bite sized pieces, but for some presentations they are sliced lengthwise into long slabs.

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How to Clean Bananas

Break the peel at the stem end and pull the strips down the sides of the banana. There may be small strings inside the peel that run down the length of the banana. They are usually very astringent, and removing any loose strings will make eating the banana more pleasant.

Can I Eat the Skin of a Banana or Should I Peel It First?

Bananas are normally peeled before eating the flesh. However, the peel can be baked into a vegan bacon and is used in other vegan dishes and some Asian and Indian dishes.

How to Slice Bananas

Remove the peel first by splitting it at the stem end. On ripe bananas, the peel will break when the firm part of the stem is bent away from the banana. If it doesn't break, cut halfway through the stem with a small paring knife.

Then pull off the peel in strips from the top down to the bottom and discard them. Remove and discard any loose strings on the outside of the banana.

Bananas are usually sliced crosswise into disks for convenient bite sized pieces, but they can be sliced lengthwise for a dramatic presentation for dishes like Bananas Foster.

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How to Chop or Cube Bananas

Bananas can be chopped or cubed by slicing along the length of the banana after removing the peel, then cutting across the banana.

How to Dice or Mince Bananas

Not relevant to bananas

How to Zest Bananas

Not relevant to bananas.

Normally the peel from citrus fruit is zested to add some additional flavor punch to your dish. Banana peels do not give you the same effect.

How to Mash or Puree Bananas

Remove the peel by bending the stem away from the banana to break the peel, then pull down in strips from top to bottom. Remove any loose strings on the outside of the banana. Discard the peel.

Ripe or overripe bananas can be placed into a bowl or measuring cup and mashed with a potato masher. They can also be mashed in a food processor.

How to Grate or Shred Bananas

Not relevant

How to Make Banana Juice

Oftentimes bananas are added to other fruit in order to make a naturally sweet and flavorful juice. After peeling the banana, cut it up into hunks and put into your electric juicer.

If you don't have a juicer, you can puree the bananas in your food processor with other juices until thin enough to drink.

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Do Bananas Have Seeds and Can I Eat Them? How do I Remove the Seeds?

Bananas have barely visible, soft, dark colored seeds. They do not need to be removed. They are usually sterile and you can’t grow a new banana plant from them.

Can I Eat Banana Greens?

Banana leaves are inedible, but are used as wraps to steam fish and other meats.

How to Store Banana

General How to Store Banana Info

Bananas release ethylene, which can spoil some produce stored nearby.

How to Ripen Banana

If you bought green bananas from the store and want to ripen them sooner, place the bananas in a paper bag for 2 to 3 days. This will speed up the ripening process. The skin may still appear green but the flesh will be soft and sweet.

Short Term Banana Storage

Keep bananas out in room temperature, away from high heat or direct sunlight, in a fruit bowl or on a banana hanger. Bananas will stay fresh for at least a week this way.

Once a banana has reached its peak of ripeness, you can keep them that way by putting the banana in the refrigerator. The skin will turn dark brown, but the fruit itself will remain ripe and sweet for 3 more days.

Banana Long Term Storage

Frozen bananas are mushy when defrosted, but the sweet flavor is retained; they are great for cooking and baking. Their skin will turn brown/black, but do not bother wrapping them, just place the bananas as is in the freezer.

Home canned bananas can be stored up to 1 year; they tend to lose quality after that point.

To dry bananas, peel and cut into 1/4 to 1/2 inch slices. Dry at 130 to 135°F (54.4 to 57.2°C) until almost crisp. Dried fruit can be stored 6 to 12 months at room temperature or indefinitely in the freezer.

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What is the Produce Converter?

One of the biggest hassles when cooking and working in the kitchen is when a recipe calls for "the juice of 1 lime" or a similar measurement. Often times when cooking people use bottled juices, pre-sliced vegetables and other convenient cooking time savers. Produce Converter will help you convert the "juice of 1 lime" and other similar recipe instructions into tablespoons, cups and other concrete measurements.

Produce Converter can also be used to figure out how many vegetables to buy when you need, for instance, "A cup of diced onion." You can use our easy conversion tool to figure out exactly how many onions you need to buy at the store in order to end up with the amount you need for your cooking.

We hope you enjoy Produce Converter and if you have any suggestions for how we can improve it and make your cooking easier please let us know.

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