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Collage of chocolate chip cookies, waffles, banana bread, and apple crisp, with NIST OWM logo and Recipe Gallery
Credit: NIST

Brownies are the perfect chocolate-filled dessert, especially when served with a scoop of ice cream!  

Brownies Banner


  • 250 g Granulated Sugar
  • 120 g All-purpose Flour
  • 60 g Unsweetened Cocoa Powder
  • 2 g Baking Powder
  • 2 g Salt
  • 140 g Vegetable Oil
  • 5 g Vanilla Extract
  • 3 Eggs
  • 150 g Chocolate Chips


  • Whisk
  • Spoon
  • Spatula
  • Mixing Bowl
  • Kitchen Scale
  • 20 cm x 20 cm Metal Pan


    Brownie Recipe Card
    Special Publication (SP) 1290 - NIST Metric Recipes PDF
    Credit: NIST



    Baked brownies on a blue place on a wood surface
    Credit: NIST


    • Preheat oven to 170 °C
    • Combine sugar, flour, unsweetened cocoa powder, baking powder, and salt together in mixing bowl
    • Mix in the vegetable oil, vanilla extract, and eggs
    • Now add in the chocolate chips. Mix again
    • To avoid sticking, spray the metal pan with oil or place parchment paper in the pan
    • Pour the brownie batter into the pan
    • Place the pan into the oven and set a timer for 20 minutes
    • Remove from the oven. Brownies are done when a toothpick inserted in the center comes out clean
    • Let the brownie rest for 10 minutes
    • Enjoy!


    • Gather all ingredients, tools and equipment before undertaking any recipe.
    • Adults will closely supervise, observe and evaluate skills before permitting independent kitchen work. Prior to undertaking this recipe, collaborate to identify, discuss and avoid kitchen hazards, such as safely applying heat using an oven and adopting food hygiene best practices.
    • Results may vary.


    Disclaimer: Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST.


    Created August 8, 2023, Updated September 28, 2023