Tres Leches Mug Microwave Cake

Why is it “Tres Leches?”  That’s “Three Milks” en Espanol.  In this recipe, similar to most traditional interpretations of the beloved Mexican dessert, those milks are sweetened condensed, evaporated and whole.  Each milk imparts a unique characteristic.  The sweetened condensed obviously has the sugar punch.  The evaporated has that deep essence of dairy.  Whole milk adds some desired freshness and lightness.  This version is much easier because it’s a quick microwave cake.

tres leches cake

Tres Leches Microwave Cake in a Mug

This is actually one of those nifty microwave cake recipes, too.  You start by mixing together 1 egg, 2 Tbs sugar, 1/4 oil, and 1 Tbs softened butter and beat until light yellow and airy.  Then, add in 2/3 cup cake flour, 1/4 tsp baking soda, a dash of salt and a dash of cinnamon.  Mix that briefly, don’t over beat. Then, divide half of the mix to a second cup and nuke ’em in the microwave for 1 minute.  Once they’re cooked, poke them all over from top to bottom with a chopstick to make the cake porous.  Next, combine 1/3 cup each of sweetened condensed, evaporated and whole milks and stir until homogeous.  Then, pour half of the milk mixture over one of the stabbed cake mugs.  Use the rest on the second mug.  Top ’em with whip and caramel to finish off the party.  If you have an eager 4-year-old, I’m sure they’d love to help with the whip 🙂

tres leches cake

One important note is that you should use cake flour if possible.  It makes for a lighter, fluffier cake.  Other than that, this is an easy recipe and lots of fun for the family.

tres leches microwave cake

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*Original recipe by Joanie Simon (

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tres leches cake

Tres Leches Mug Cake

  • Author: Joanie Simon
  • Total Time: 6 mins
  • Yield: 2 1x


Tres Leches cake you can make in the microwave


  • 1 egg
  • 1/4 cup oil
  • 2 Tbs sugar
  • 1 Tbs softened butter
  • 2/3 cup flour
  • 1/4 tsp baking soda
  • dash salt
  • 1/8 tsp cinamon
  • 1/3 cup sweet condensed milk
  • 1/3 cup evap milk
  • 1/3 cup whole milk
  • whip and caramel for garnish


  1. Combine the egg, oil ad sugar in a bowl and whisk until the mixture is bright yellow with added volume. Whisk in softened butter. Add the flour, baking soda, sat and cinnamon into the egg mixture, and mix until combined, but don’t over mix. Pour batter into two coffee mugs. Microwave on high for 1 minute or until the top is set and no longer liquid. Once cooked, remove from the microwave and poke with a knife all over the surface.
  2. Combine the condensed milk, evaporated milk and whole milk and pour over the surface of the mug cake so that it soaks into the cake. Allow to cool five minutes, then garnish with whipped cream and caramel drizzle.
  • Prep Time: 5 mins
  • Cook Time: 1 min
  • Category: Dessert
  • Cuisine: Mexican



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