Can I use a different cake mix flavor?

Totally! While we love the classic vanilla cake, you can swap in white cake mix or even strawberry for a fun twist. Just make sure it bakes up fluffy, so it can soak up all that tres leches goodness.

What’s the best way to poke holes in the cake?

We love using a chopstick; it’s the perfect size. You could also use the handle of a wooden spoon or a thick skewer. Just be sure to wipe it off occasionally, so it doesn’t get too sticky.

How long should I let the milk soak into the cake?

Let it chill in the fridge for at least 30 minutes, but longer is even better. An hour or more = ultra-moist and dreamy.

My whipped cream isn’t holding up; what can I do?

Make sure your bowl and beaters are cold before whipping, and don’t overmix (or you’ll head into butter-making territory). You can also add a bit more powdered sugar for stability.

How should I store leftovers?

Pop the cake in the fridge, covered, and enjoy within 3 to 4 days. The longer it sits, the more the flavor soaks in—yum!

Confetti Tres Leches Cake

Name: Confetti Tres Leches Cake
Prep time: 25 min
Total time: 1 h 30 min
Yield: 12
Cuisine: Mexican
Ingredients: 1 cup water; 1/3 cup vegetable oil; 3 eggs; 1 box Betty Crocker™ Delights Super Moist™ French Vanilla Cake Mix; 1/4 cup from 1 container Betty Crocker™ Rainbow Sprinkles; 1 can (14 oz) sweetened condensed milk (not evaporated); 1 can (12 oz) evaporated milk; 1 cup milk; 1 tablespoon Mexican vanilla extract; 1/2 teaspoon ground cinnamon; 2 cups heavy whipping cream; 1/2 cup powdered sugar; 1 tablespoon Mexican vanilla extract; 4 drops pastel blue gel food color from 1 box Betty Crocker™ Pastel Gel Food Color; Betty Crocker™ Rainbow Sprinkles, for topping as desired

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Ady & Ceci Sanchez

Updated Apr 30, 2025

Confetti Tres Leches Cake

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Prep Time 25 min
Total 1 hr 30 min
Servings 12
Ingredients 15

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Ingredients

Cake

1 cup water
1/3 cup vegetable oil
3 eggs
1 box Betty Crocker™ Delights Super Moist™ French Vanilla Cake Mix
1/4 cup from 1 container Betty Crocker™ Rainbow Sprinkles

Tres Leches Mixture

1 can (14 oz) sweetened condensed milk (not evaporated)
1 can (12 oz) evaporated milk
1 cup milk
1 tablespoon Mexican vanilla extract
1/2 teaspoon ground cinnamon

Whipped Frosting

2 cups heavy whipping cream
1/2 cup powdered sugar
1 tablespoon Mexican vanilla extract
4 drops pastel blue gel food color from 1 box Betty Crocker™ Pastel Gel Food Color
Betty Crocker™ Rainbow Sprinkles, for topping as desired

Make With

Betty Crocker Cake Mix

Instructions

Step
1

Heat oven to 350°F (325°F for dark or nonstick pan). Grease bottom and sides of 13x9-inch pan.
Step
2

In a large bowl, beat water, oil, and eggs; stir in the cake mix.
Step
3

Mix in 1/4 cup rainbow sprinkles. Pour into the prepared pan. Bake for 25 minutes or until toothpick inserted in center comes out clean. Set aside, and let it cool for at least 15 minutes.
Step
4

Meanwhile, stir sweetened condensed milk, evaporated milk, milk, 1 tablespoon vanilla, and cinnamon until well blended.
Step
5

Poke holes using a chopstick over top of cake. If necessary, wipe chopstick occasionally with paper towel to reduce sticking.
Step
6

Carefully pour tres leches mixture evenly over top of cake, working back and forth to fill holes. Refrigerate for at least 30 minutes or until cake absorbs the tres leches mixture.
Step
7

In a large, chilled bowl, beat heavy whipping cream, powdered sugar, 1 tablespoon vanilla, and food color until soft peaks form.
Step
8

Drop frosting by spoonfuls over top of cake; spread evenly. Add sprinkles on top and enjoy.