Coconut Tres Leches Cake Soaked in Sweet Coconut Milk

Tropical coconut tres leches cake soaked in sweet coconut milk! This version of the classic Latin American dessert swaps the traditional three milks for a coconut-forward trio of coconut milk, sweetened condensed milk, and heavy cream, with a splash of coconut rum for extra flavor.

The sponge is light and airy, the soak is rich and creamy, and the topping of whipped coconut cream, toasted coconut, and lime zest adds the perfect finish.

Tres leches cake is a beloved dessert across Latin America, known for its incredibly moist texture and sweet, milky flavor. This coconut version takes that classic and gives it a tropical makeover. The sponge is baked until golden, then soaked in a warm bath of coconut milk, condensed milk, and cream, infused with a hint of rum.

After a long chill, it's topped with a cloud of whipped cream, toasted coconut, and bright lime zest. The result is a dessert that's rich, creamy, and refreshingly coconutty, perfect for warm weather or any celebration. The best part? It gets better as it sits, so it's an excellent make-ahead treat.

Ingredients

Why this recipe works

The sponge is the foundation of a great tres leches. Beating the eggs and sugar until thick and pale creates a stable foam that gives the cake its lift. Folding in the flour gently preserves those air bubbles, resulting in a light, tender crumb that's ready to soak up the milk mixture. The cake is baked at a moderate temperature to ensure it cooks through without drying out, leaving it moist and delicate.

The coconut milk bath is what sets this version apart. Warming the coconut milk, condensed milk, and cream together helps the flavors meld and makes the liquid easier for the sponge to absorb.

The addition of coconut rum adds a subtle tropical note that complements the coconut without overpowering it. The long chilling time allows the cake to fully absorb the liquid, creating that signature tres leches texture—moist, creamy, and utterly decadent.

Notes and substitutions

For the best flavor, use full-fat coconut milk, not light coconut milk, as it provides the richness and body needed for the soak. Sweetened condensed milk is essential for sweetness and creaminess; do not substitute with evaporated milk.

The coconut rum adds a nice touch, but you can omit it or use coconut extract for a non-alcoholic version. If you prefer a stronger coconut flavor, toast the shredded coconut before using as a topping.

The sponge uses only five eggs and flour, which keeps it simple and lets the coconut shine. Make sure the eggs are at room temperature for better volume when beating. The cake can be made a day ahead and soaked overnight, making it a convenient dessert for entertaining. When cutting, use a sharp knife and wipe it clean between cuts for neat slices. Store leftovers in the refrigerator for up to four days.

• coconut rum: Use 2 tbsp coconut extract mixed with 2 tbsp water or milk, or simply omit for a non-alcoholic version.
• heavy cream: For the soak, use full-fat coconut cream for a dairy-free option; for the topping, use chilled coconut cream whipped with confectioners' sugar.
• all-purpose flour: Use a gluten-free all-purpose flour blend that measures like wheat flour for a gluten-free version.
• sweetened shredded coconut: Use unsweetened shredded coconut and add a little extra sugar to the topping if desired.

Equipment

• 9x13-inch baking pan
• Electric mixer
• Large mixing bowls
• Whisk
• Wooden skewer or fork
• Measuring cups and spoons
• Rubber spatula