Preheat the oven to 170°C (338°F).
Mix matcha powder, almond flour, and erythritol well.
Add eggs, almond milk, and vanilla extract to a bowl and beat thoroughly.
Add the dry mixture into the wet mixture and blend smoothly.
Pour the pudding batter into a baking dish.
Top with sliced almonds and coconut crumble for baking.
Bake in the preheated oven for 20 minutes.
Let cool, then plate and serve.