Gerbeaud Cake | Cakes of Hungary | Umami

Ingredients

• 500 grams flour
• Pinch of salt
• 250 g butter, at room temperature
• 25 g fresh yeast (7 g - 1 and 1/2 tsp dry yeast)
• 1 tablespoon sugar
• 100 ml half and half cream or whole milk
• 1 whole egg
• 2 egg yolks
• Zest of half a lemon
• 150 g walnuts, ground
• 50 g icing (powdered) sugar
• 450-500 g homemade apricot jam
• 100 g butter
• 4 tablespoons sugar
• 4 tablespoons cocoa powder
• 4 tablespoons water