 <translate> This is the relevant information: A tres leches cake (Spanish: pastel de tres leches, torta de tres leches or bizcocho de tres leches), also known as pan tres leches ("three milks bread"), is a sponge cake -- in some recipes, a butter cake -- soaked in three kinds of milk: evaporated milk, condensed milk, and heavy cream. Therefore, the final answer is evaporated milk. <yor> Eyi ni alaye ti o yẹ: A tres leches cake (Spanish: pastel de tres leches, torta de tres leches tabi bizcocho de tres leches), ti a tun mọ ni pan tres leches ("awọn akara oyinbo mẹta"), jẹ akara oyinbo sponge - ni diẹ ninu awọn ilana, akara oyinbo bota - ti a fi sinu awọn oriṣi wara mẹta: wara ti o fẹlẹfẹlẹ, wara ti a ṣan, ati ipara ti o nira. Nítorí náà, ìdáhùn tó ṣe é gbẹ́kẹ̀ lé ni pé wàrà tí wọ́n ti fi omi ṣan ni. 