Wash the sweet pumpkin thoroughly, remove the seeds, and cut it into 2cm pieces.
Place the sweet pumpkin in a steamer and steam for 15 minutes.
Mash the steamed pumpkin with a fork.
In a bowl, mix the mashed pumpkin with almond flour, olive oil, and salt evenly.
Line a baking tray with parchment paper and spread the crumble mixture evenly to about 1cm thickness.
Bake in a preheated oven at 180°C (356°F) for 20 minutes.