كيكة البطاطا الحلوه

Prepare the dry mix: Combine flour, baking powder, baking soda, salt, cinnamon, and nutmeg in a large bowl.

In a blender: Blend eggs, vanilla, brown sugar, warm milk with vinegar, melted butter, and roasted sweet potato.

Add the wet mixture to the dry mix and stir until combined.

Grease a baking pan or line it with parchment paper, then pour in the batter.

Prepare the crumb topping: Mix softened butter, flour, brown sugar, cinnamon, and walnuts with your hands to form large crumbs.

Sprinkle the crumb topping evenly over the cake batter.

Bake in a preheated oven at 180°C for 50-60 minutes.

Lightly broil the top for a golden color.