Hot Stuff: Mashed Potato Lava Cakes


Ta da! As promised, here is the bonus section part 2 for the upcoming EAT YOUR SCIENCE HOMEWORK: RECIPES FOR INQUIRING MINDS.

Time to make some delicious Mashed Potato Lava Cakes…. And, yes, the recipe really does include a half cup of mashed potatoes. Ready? Pull your apron strings tight and here we go!

Mashed Potato Lava Cakes- The Recipe

These tasty treats involve some pretty intense heat to make the molten chocolate– no putting things in or out of the oven without an adult helper, please. Just like at an actual volcano site, you wouldn’t go stomping around the kitchen by yourself.

Materials– put these things out before you start

1/2 cup butter

1 cup sugar

2 eggs

1/2 cup milk

1 teaspoon vanilla

1/2 cup mashed potato (Yes, really!)

1/4 cup cocoa

1 cup flour

1/2 baking soda

1 teaspoon baking powder

1/2 teaspoon salt

Chocolate chips



Muffin tin

Paper muffin cups or cooking spray

Electric mixer or spatula




1.      1. Ask an adult to preheat the oven to 400° Fahrenheit. Prepare the muffin tins by spraying them with cooking spray or lining them with paper muffin cups.


2.      2. Beat the butter, sugar, and eggs together. Stir in the milk, vanilla, and mashed potato.


3.      3. Add the cocoa, flour, baking soda, baking powder, and salt. Mix thoroughly.


4.      4. Fill the muffin tins halfway. Add a generous spoonful of chocolate chips to the center of each.


5.     5.  Add more dough to each muffin cup, covering the chocolate, so that the muffin cups are about 3/4 full.


6.      6. Bake the lava cakes for 12–15 minutes or until done.


7.     7.  Cool on a rack. Cut the cakes open to see (and taste) the lava flow!

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