Hazırlanışı
1Combine 150g buckwheat flour, 100g flour, 125g butter, 60g cold water, and 3g salt in a bowl to form a smooth dough.
2Roll the dough out and press it into a tart pan, then chill in the refrigerator for 30 minutes.
3Whisk together 500g cream, 180g eggs, 100g sugar, 5g vanilla extract, and 1g salt until the mixture is uniform.