Much like Lunchables and stringed cheese, peanut butter has been cemented as a lunchtime staple in grade-school cafeterias across the nation.

First created in 1890 and perfected into a more easily spread paste in 1933, peanut butter is used as an ingredient in recipes, layered over crackers or paired with an equally iconic fruit spread. 

But how much do you really know about one of the United States' largest exports? In honor of National Peanut Butter Day today, we've gathered 15 fast facts about jelly's nuttier better half.

1. It takes 550 peanuts to make a 12 ounce jar of peanut butter, according to the National Peanut Butter Board.

2. Oh, and the peanut has its own organization: the National Peanut Board.

3. Peanuts are cholesterol-free and an ideal source of protein.

4. If you have gum stuck in your hair, the oils in peanut butter are known to help remove it. 

5. Eating just a tablespoon of peanut butter is known to help lower high blood sugar in diabetic patients.

6. Dr. George Washington Carver developed more than 300 uses for peanuts, including shampoo, shaving cream and glue.

7. November is National Peanut Butter Month

8. Women and children like creamy peanut butter the best.

9. Men are more likely to prefer crunchy peanut butter.
