Preheat the oven at 175ºC conventional oven and line a cupcake tray with 12 cupcake liners.
Start by boiling some water and weigh out the water so it can cool down a bit while preparing the other ingredients.
120 g boiling water
In a bowl sift all of dry ingredients together. Give it a stir to make sure everything has be combined.
160 g all-purpose flour, 200 g sugar, 50 g dutch processed cocoa powder, 1 teaspoon instant espresso powder, ½ teaspoon baking powder, ½ teaspoon baking soda, ½ teaspoon salt
In another mixing bowl add all of the wet ingredients, including the water, and with a hand whisk, whisk them together until combined. Be sure to not mix the ingredients too vigorously so the eggs don’t get over mixed.
120 g sour cream, 18%, 75 g vegetable oil, 2 large eggs, 1 ½ teaspoon vanilla extract
Slowly pour the wet ingredients into the dry while gently stirring it all together. Make sure there is no lumps left in the batter.
Divide the cake batter into the 12 cupcake liners and bake them for 10 min.
Meanwhile unwrap 12 mini chocolate Easter eggs so they are ready. Once the first 10 min has passed, gently pull out the cupcake tray out of the oven and work fast. Add one easter egg in the middle of each cupcake, pressing them gently down. Bake further the cupcakes for 7-10 min or until a cake tester comes out clean.
12 mini chocolate Easter eggs
Let the cupcakes cool in the hot pan. After 5 min, gently remove the cupcakes from the cupcake pan and let them cool down completely.