The method for the cupcakes is a so-called reversed method. Meaning you don’t have to cream the sugar and the eggs, its a much easier and faster method and it works great
Chocolate Cupcakes
Makes about 12 ea
160 gram Cake flour
40-gram cocoa powder
2 tsp baking powder
1/2 tsp salt
200-gram granulated sugar
118-gram butter
2 egg
112-gram sour cream
Mix flour, cocoa powder, baking powder, and sugar, until combined. Melt butter and add to the flour mixture and also add the eggs. Once mixed add in the milk and sour cream and combine until smooth. Portion out into the muffin cups and Bake at 350F for about 16-18 minutes. Use a wooden toothpick, poke, and if it comes out dry your cupcakes are baked and you can remove them from the oven and let them cool on a rack.
Vanilla Cupcakes
Makes 12ea
154 gram Cake flour
2 tsp baking powder
1/2 tsp salt
200-gram granulated sugar
112-gram melted butter
60-gram egg white
2 tsp vanilla extract
1/2 cup milk
112-gram sour cream
Mix flour, baking powder, sugar, and salt until combined. Melt butter and add to the flour mixture and also add the egg white. Once mixed add in the milk, vanilla extract and sour cream and combine until smooth. Portion out into the muffin cups and Bake at 350F for about 16-18 minutes. Use a wooden toothpick, poke, and if it comes out dry your cupcakes are baked and you can remove them from the oven and let them cool on a rack.
Once they are totally cooled add frosting. I recommend the cream cheese frosting see, the recipe below.
Cream Cheese Frosting
Enough for 24 ea cupcakes
453-gram room tempered butter
453-gram cream cheese
2 tbs milk
2 cups powdered sugar
2 tsp vanilla
Mix all the ingredients, until smooth.