01 -
Grind speculoos cookies in your food processor till they turn to fine crumbs. Toss in ground almonds and mix briefly. While the machine runs, drizzle in the melted butter. Clean down the sides. Turn it back on and pour in melted chocolate, mixing till everything's well combined.
02 -
Lightly coat a 10-inch pie dish with cooking spray or a bit of oil. Push the cookie mixture firmly across the bottom and up the sides. Pop it in the freezer while you work on the filling.
03 -
Set aside 3 tbsp of watermelon juice in a small cup. Pour the rest into a small saucepan with sugar and salt. Let it bubble gently on medium heat for 5 minutes, then take it off the heat.
04 -
In a big bowl, beat together condensed milk, lime juice, and eggs. Slowly pour in 1 cup of the warm watermelon liquid, stirring constantly. Pour everything back into the saucepan and mix well.
05 -
Put the pan back on medium heat and cook for 5 minutes, stirring often. Mix the cornstarch with your saved watermelon juice till smooth, then stir into the pan. Keep cooking and stirring non-stop till the mix bubbles up and gets as thick as pudding, about 5 more minutes.
06 -
Pour your filling into the frozen crust. Let it cool on the counter for 30 minutes, then stick it in the fridge uncovered for at least 6 hours or overnight.
07 -
Add a dollop of sweet whipped cream and sprinkle with lime zest before you dig in.