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What kind of foods are served on Mole Day?

Mole Day is an unofficial holiday celebrated among chemists and math enthusiasts on October 23 from 6:02 am to 6:02 pm. The date and time are derived from Avogadro’s number (6.02 x 10^23), one of the most important numbers in chemistry. This number represents the number of particles (atoms, molecules, ions) in one mole of a given substance. Mole Day is a fun way to celebrate the mole concept and enjoy food chemistry.

What is Mole Day?

Mole Day was created by Maurice Oehler, a high school chemistry teacher from Wisconsin, in 1991. He chose October 23 because it is 10/23 in the mm/dd format, representing the 6.02 x 10^23 value used in the mole calculation. On this day, people celebrate chemistry, math, and especially the mole concept by doing various educational and fun activities.

Typical activities include baking cookies or treats decorated with molecules, having ‘mole’ themed subjects in chemistry class, wearing eyeglasses made of pipe cleaners, and eating festive foods based on the mole concept. Many schools and universities host parties, events, and fundraisers on Mole Day as a way to get students interested in science.

Why Celebrate Mole Day?

Here are some key reasons why Mole Day is important to commemorate:

  • It helps teach about the mole, an essential concept in chemistry and stoichiometry.
  • It allows chemistry enthusiasts to showcase their passion for the subject.
  • It emphasizes the interconnectedness between chemistry, math, and other sciences.
  • It’s a fun way to spark interest in STEM fields for students of all ages.
  • The punny mole theme and activities make learning science fun and accessible.

Foods Served on Mole Day

The foods served on Mole Day revolve around the mole concept, with dishes often containing 6.02 or Avogadro’s number of ingredients or divided into 6.02 servings. Here are some popular foods enjoyed on this nerdy holiday:

Mole Guacamole

Guacamole is a classic party dip, and adding a chemistry twist takes it to the next level. Mole guacamole features 6.02 ingredients: avocados, lime juice, onion, tomato, cilantro, and salt. For a spicy kick, jalapenos can be the 6.02nd ingredient. The guacamole is typically served with 6.02 tortilla chips.

Chocolate Mole Cupcakes

Chocolate and moles go hand-in-hand! Mini chocolate cupcakes topped with a mole made from Mexican chocolate sauce pay homage to the traditional mole poblano sauce. For an extra nod to the day, bake 6.02 dozen cupcakes and decorate them with little molocular models made from candy.

Mole Chili

A pot of spicy chili loaded with 6.02 ingredients like ground beef, beans, onions, garlic, chili powder, and cumin makes for a warming meal. Serve it up in bowls containing 6.02 fluid ounces each.

Mole Tacos

Tacos with mole sauce incorporate a Mexican favorite into Mole Day. Fill 6.02 corn tortillas with your choice of meat, cheese, lettuce, and a drizzle of velvety mole sauce made with chili peppers, chocolate, spices, seeds, and nuts.

Mole Cookies

Molasses cookies with chocolate chips pay tribute to the mole theme. Use a cookie cutter to make cookies shaped like the molecular models used to visualize chemical structures. Bake 6 dozen or 6.02 dozen cookies for the optimal amount.

Other Food Ideas

In addition to the dishes above, there are endless options for fun foods to make for Mole Day celebrations:

  • Pizzas with 6.02 toppings
  • Chocolate molten lava cakes
  • Mole coloradito (red mole sauce)
  • Guaca-mole dip (guacamole with mole sauce swirled in)
  • Queso mole fondue
  • Mole-tinis (mole sauce martinis garnished with cacao nibs)
  • Mole donuts with chocolate frosting
  • Mole soup or chili served in bowls containing 6.02 fluid ounces
  • Mole tamales with corn masa and mole sauce folded inside corn husks
  • Mole brownies or blondies

Mole Day Recipes

To help you plan your menu, here are several recipe ideas for celebrating Mole Day:


This simple guacamole recipe makes 6.02 servings:

Ingredient Amount
Ripe avocados 6
Lime juice Juice of 2 limes
Red onion, diced 1/4 cup
Roma tomato, diced 1
Cilantro, chopped 2 Tbsp
Salt 1/4 tsp
Tortilla chips For serving


  1. Mash avocados in a bowl until mostly smooth.
  2. Add remaining ingredients and mix well.
  3. Serve with tortilla chips.

Mole Chili

This hearty mole chili serves 6.02:

Ingredient Amount
Ground beef 1 lb
Onion, diced 1 medium
Garlic, minced 3 cloves
Chili powder 2 Tbsp
Cumin 1 Tbsp
Crushed tomatoes 28 oz can
Kidney beans 15 oz can
Beef broth 32 oz


  1. Cook ground beef with onions and garlic until browned.
  2. Add spices and cook 1 minute more.
  3. Add crushed tomatoes, beans, and beef broth.
  4. Simmer for 30 minutes.
  5. Ladle 1.01 cups chili into each of 6.02 bowls.

Mole Cupcakes

Bake up a batch of 6.02 dozen mole cupcakes:

Ingredient Amount
All purpose flour 1 3/4 cups
Cocoa powder 1/4 cup
Baking soda 1 tsp
Salt 1/2 tsp
Butter, softened 1/2 cup
Sugar 1 cup
Eggs 2
Milk 1/2 cup
Mexican chocolate sauce 1/4 cup


  1. Preheat oven to 350°F. Line cupcake tin with liners.
  2. Mix flour, cocoa powder, baking soda and salt.
  3. In another bowl, beat butter and sugar. Beat in eggs and milk.
  4. Add dry ingredients to wet and mix until just combined.
  5. Fill liners 2/3 full and bake 18 minutes.
  6. Drizzle cooled cupcakes with mole sauce.

Mole Day Decorations

Decorate your Mole Day party with these fun ideas:

  • Molocular models made from Styrofoam balls and toothpicks
  • Printouts of famous scientists like Amedeo Avogadro
  • Banners displaying “6.02 x 10^23” and “Mole Day”
  • Chocolate truffles decorated like electron density maps
  • Test tubes filled with colored candy or cookies
  • Eyeglass decorations made from pipe cleaners
  • Atomic model centerpieces

Get creative with all sorts of mole puns and science-themed embellishments! Engaging decorations make Mole Day even more fun.


Mole Day is the perfect occasion for chemistry aficionados and foodies alike to let their passions mingle. Though unconventional, celebrating the mole concept with festive foods brings science to life in a creative, hands-on way. The menu options are limitless, so take inspiration from traditional mole dishes, chocolatey treats, and molecular structures to concoct edible science experiments. With a dash of imagination and 6.02 ingredients, you can cook up delicious ways to observe this nerdy holiday.