In a saucepan, gently heat the honey, sugar, and butter over low heat until smooth and completely melted. Stir occasionally.
Remove the saucepan from the heat and allow it to cool slightly. Whisk in the eggs, one at a time, until fully incorporated.
Sift together the flour and baking powder. Gradually add the dry ingredients to the honey mixture, kneading until a soft, non-sticky dough forms.
Divide the dough into 6 equal portions. On a lightly floured surface, roll each portion into a thin circle. Place the circle on a baking sheet lined with parchment paper. Bake in a preheated oven at 350°F (180°C) for 8-10 minutes, or until golden brown.
For the frosting, combine the sour cream, powdered sugar, vanilla extract, and lemon juice in a bowl. Mix until smooth and creamy.
Assemble the cake: Place one cake layer on a serving plate. Spread generously with the sour cream frosting. Repeat the process with the remaining layers.
Frost the top and sides of the cake with the remaining sour cream frosting. Crumble the reserved cake scraps and sprinkle them over the cake for decoration.
Refrigerate the cake for at least 4 hours, or preferably overnight, to allow the flavors to meld. Slice and serve.
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