Western desserts - Easy Custard and Coconut Tart

Recipe Ingredients:

- 100 grams of butter- 250 grams of biscuits

For the custard:

- 4 egg yolks- 1/4 cup powdered sugar- 1 tablespoon cornstarch- 1 cup coconut milk- 1 cup cream- 1/2 teaspoon vanilla- 2 cups whipped cream- 1 cup toasted coconut