What Is Peanut Butter

by Prachee last updated -

Put simply, what is peanut butter is the almost magical metamorphosis of the humble peanut into a miracle spread that pairs well with so many things. It is also the thing which, when added, might miraculously transform many food items. Or so it might seem so to an outsider who’s hearing it from a fan of this rudimentary nut butter.

What is Peanut Butter?

Peanut butter might sound like a complex derivation of peanuts, but contrarily, is quite simple. Peanut butter is a popular spread made by grinding roasted or plain peanuts into a paste. It is usually somewhat sticky and thick in consistency. Popular opinion suggests that this nut butter is quite tasty, considering that the average per-person, per-year consumption is 1.5 kg. It is used as a spread in sandwiches, on crackers and crepes, a dip for vegetables such as celery, and also baked into desserts such as cookies and brownies. [1]

Nutrition Facts

Peanut butter, smooth style, without salt
Serving Size :
Water [g]1.23
Energy 598
Energy [kJ]2501
Protein [g]22.21
Total lipid (fat) [g]51.36
Ash [g]2.89
Carbohydrate, by difference [g]22.31
Fiber, total dietary [g]5
Sugars, total including NLEA [g]10.49
Sucrose [g]10.25
Glucose (dextrose) [g]0.13
Fructose [g]0.12
Starch [g]3.56
Calcium, Ca [mg]49
Iron, Fe [mg]1.74
Magnesium, Mg [mg]168
Phosphorus, P [mg]335
Potassium, K [mg]558
Sodium, Na [mg]17
Zinc, Zn [mg]2.51
Copper, Cu [mg]0.42
Manganese, Mn [mg]1.67
Selenium, Se [µg]4.1
Thiamin [mg]0.15
Riboflavin [mg]0.19
Niacin [mg]13.11
Pantothenic acid [mg]1.14
Vitamin B-6 [mg]0.44
Folate, total [µg]87
Folate, food [µg]87
Folate, DFE [µg]87
Choline, total [mg]63
Betaine [mg]0.8
Vitamin E (alpha-tocopherol) [mg]9.1
Tocopherol, beta [mg]0.52
Tocopherol, gamma [mg]7.62
Tocopherol, delta [mg]0.74
Vitamin K (phylloquinone) [µg]0.3
Fatty acids, total saturated [g]10.33
14:0 [g]0.02
15:0 [g]0.01
16:0 [g]4.74
17:0 [g]0.05
18:0 [g]2.18
20:0 [g]0.72
22:0 [g]1.7
24:0 [g]0.73
Fatty acids, total monounsaturated [g]25.94
16:1 [g]0.03
16:1 c [g]0.03
17:1 [g]0.03
18:1 [g]24.81
18:1 c [g]24.77
20:1 [g]0.58
22:1 [g]0.05
22:1 c [g]0.04
Fatty acids, total polyunsaturated [g]12.54
18:2 [g]12.26
18:2 n-6 c,c [g]12.22
18:2 CLAs [g]0.01
18:3 [g]0.03
18:3 n-3 c,c,c (ALA) [g]0.03
18:3 n-6 c,c,c [g]0
20:2 n-6 c,c [g]0.01
20:3 [g]0.01
20:3 n-3 [g]0.01
20:4 [g]0.02
Fatty acids, total trans [g]0.08
Fatty acids, total trans-monoenoic [g]0.05
18:1 t [g]0.04
22:1 t [g]0
18:2 t not further defined [g]0.03
Fatty acids, total trans-polyenoic [g]0.03
Tryptophan [g]0.23
Threonine [g]0.53
Isoleucine [g]0.62
Leucine [g]1.55
Lysine [g]0.68
Methionine [g]0.27
Cystine [g]0.23
Phenylalanine [g]1.2
Tyrosine [g]0.83
Valine [g]0.78
Arginine [g]2.77
Histidine [g]0.56
Alanine [g]0.92
Aspartic acid [g]3.05
Glutamic acid [g]5.09
Glycine [g]1.44
Proline [g]1.41
Serine [g]1.48
Sources include : USDA [2]

A spoonful of peanut butter and a handful of deshelled peanuts besides a jar of peanut butter

Peanut butter can be added to various recipes and had. Photo Credit: Shutterstock


While the basic version contains only peanuts, there are several variations available. Here are a few types of you should know about:

  • Creamy/Smooth: This kind of nut butter has a uniform, soft texture.
  • Chunky/Crunchy: Small, coarse peanut bits are intentionally left in the butter to give it a crunchy texture.
  • Natural: The peanut butter is made without any preservatives, additives, or emulsifiers.

It is common to go for store-bought peanut butter as it is readily available and stays for longer. However, you could also make it at home. You could also customize it with additions such as sugar, chocolate, a small piece of jaggery, honey, and other nuts such as hazelnuts and almonds. The variations are subject to your imagination.

Is Peanut Butter Vegan?

This is a question which several individuals making a conscious way-of-life choice would like to know about. Is peanut butter vegan-friendly? Yes, it can be considered by vegans as an option. Since the core ingredient is peanuts, with the possible addition being salt or sugar. Be sure to check the ingredients for additions such as honey. However, the best vegan choice is making your own.

Does Peanut Butter Go Bad?

Chances of having an empty jar are higher than having to worry about your peanut butter going bad. However, there’s not much to worry as an opened jar on the shelf can last for up to three months, and even longer in the fridge. This could depend on factors such as the temperature at which it is stored, the place, as well as the general weather. When dealing with store-bought nut butter, it is best to go by the expiration dates. In case of homemade ones, if you intend to use them for a while or have made a big batch, consider refrigerating them in airtight containers. [3]


The use of peanuts has been traced back to at least as far as 1500 BCE in South America, especially to the Incan civilization in Peru. On the other hand, peanut butter is far from a single-origin invention. It is suggested that grinding peanuts to make a paste was a practice in ancient South American civilization. However, it was not exactly the same as what we now know as peanut butter.

History got closer to peanut butter when around the late 1800s, not in South America but rather in Canada and the USA. It began taking off as a protein substitute for people who could not chew meat, especially senior citizens. What we now know as peanut butter is the evolution of a humble peanut paste into a popular ingredient, or what occasionally passes off as food.

Fun Facts

  • The peanut butter and jelly sandwich, alternatively known as the PB&J, is a World War II invention by the USA. [4]
  • While it is usually used as a spread, peanut butter can be a useful addition when cooking Asian cuisine as well and lends it a deeper flavor. It can be used in noodles, curries, and even fried rice.
  • George Washington Carver, an agricultural scientist, has invented about 300 peanut recipes and uses, but peanut butter is not one of them.
  • Early on, peanuts in the US were considered the poor man’s food.
  • Today, peanut butter is a popular ingredient in several manufactured confectioneries.

Word of Caution: While it could be really tempting, peanut butter still contains peanuts. So, if you have a peanut allergy, it is best to stay away. [5]

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About the Author

Prachee is a content writer for Organic Facts and is responsible for writing on the latest wellness trends. A former Journalism & Media teacher, she prides herself on being able to seamlessly dabble between health, science, and technology. She has completed her Masters in Communication Studies from the University of Pune, India as well as an online course on “Introduction to Food and Health” from Stanford University, US. Prachee fancies herself to be a poet and a cook when the rare lightning of inspiration strikes.

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