Step 1

Spray a 13 X 9 inch cake pan with gluten free cooking spray, or line the bottom with parchment paper and set aside.

Step 2

Preheat the oven to 350 degrees F. Make sure to adjust the oven rack to the middle position.

Step 3

Use the stir, scoop, and level method to measure gluten free flour into a medium-large bowl and stir together with baking powder and salt. Set aside.

Step 4

Use the stir, scoop, and level method to measure gluten free flour into a medium-large bowl and stir together with baking powder and salt. Set aside.

Step 5

Crack one egg into a medium bowl and mix with an electric mixer on medium speed about 15 seconds. Add remaining eggs one at a time, beating for another 15-30 seconds after each addition.

Step 6

Gradually add in the sugar over about 30 seconds while continuing to mix, until all sugar is incorporated. The egg mix will be very fluffy and turning a light yellow.

Step 7

Reduce speed of mixer, and gradually add the oil and then the vanilla while mixing.

Step 8

Sprinkle the flour mixture over the egg mixture and gently fold with a spatula until well combined. DO NOT OVER MIX.

Step 9

Transfer batter to the prepared pan and spread evenly.

Step 10

Bake 25-30 minutes or until cake looks light golden or a wooden toothpick comes out clean when inserted into the middle of the cake.

Step 11

Remove cake from the oven and allow to cool in the pan for 5-10 minutes before transferring to a wire rack to cool completely. If you plan to serve the tres leches in the pan, you can leave the cake in the pan to cool.

Step 12

Whisk the sweetened condensed milk, evaporated milk, and heavy whipping cream together with the vanilla and rum (if using) and set aside.

Step 13

Transfer the cooled cake to a platter or rimmed baking sheet and poke all over using a fork

Step 14

Pour the milk mixture all over the cake, putting a little extra around the edges to get them nice and soft.

Step 15

allow the cake to soak up the milk mixture for 5-10 minutes

Step 16

Combine heavy cream, sugar, and vanilla into a large bowl and mix on medium speed about 2 minutes, until soft peaks form.

Step 17

Spread the whipped cream over the cake, or scoop a dollop onto individual slices.

Step 18

Take your tres leches up a level or two by topping with fresh berries, kiwi, and/or mango. You can also top with a light dusting of cinnamon. Add any toppings just before serving. See recipe variations in the blog post for other ideas on ways to serve this yummy cake!