Place the eggs, sugar, vanilla, and salt in a large bowl whip on high speed for 5 minutes.
Step 2
Fold in the flour, cocoa, and baking powder. Whisk in the sour cream, melted butter.
Step 3
Pour the batter into a jelly roll pan. Bake for 22 to 28 minutes.
Step 4
While the cake is still hot, dust it generously with powdered sugar and lay a clean kitchen towel on top.
Step 5
Starting at one of the short sides of the cake, carefully roll it into a tight log and allow it to cool completely before filling, frosting, and garnishing.
Step 6
When the cake has completely cooled, gently unroll it and spread the filling on in an even layer.
Step 6
Carefully roll the cake back up into a log, frost with whipped ganache, and garnish.
When I find myself with a few free moments, I head straight for my kitchen! I'm a former pastry chef who still loves to bake, & to share how easy and fun baking from scratch can be!