Crumble aux fruits exotiques

• 1 pineapple
• 40 g butter, cold and cut into cubes
• 3 bananas

Peel the pineapple, take out the hard middle part and cut it into chunks. In a saucepan, melt the butter and cook the pineapple for about 10 minutes. Add the bananas and mangoes, cut into thick slices. Add the vanilla seeds, the sugar and a little water if the fruit looks a bit dry. Generally the moisture from the mangoes is enough.

Preheat the oven to <