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Classic Cupcakes with Protein Cream
Instructions
Gather all the products for the dough on a clean work surface. The butter, eggs and milk should all be at proper room temperature, so take them out of the refrigerator about two hours before starting the actual cooking process.
For the protein cream, you will need to carefully separate the egg whites from the yolks, plus one teaspoon of lemon juice (or a small pinch of citric acid as a substitute) and powdered sugar. Save the leftover egg yolks for use in another recipe.
Beat the butter, sugar and a pinch of salt together with an electric mixer until properly fluffy and noticeably whitened in colour. The whitening signals that plenty of air has been incorporated into the butter for the lightest possible finished cupcake texture.
The proper whitening and fluffing takes about 4-5 minutes of continuous beating. The properly creamed butter should look pale yellow and noticeably increased in volume compared to the starting amount.
Add the eggs to the creamed butter one at a time, beating thoroughly for at least one full minute after each egg addition. The slow gradual addition prevents the mixture from separating or curdling.
Sift the flour together with the baking powder through a fine-mesh sieve to aerate the dry ingredients. The sifting step adds extra air to the flour and helps the cupcakes rise more uniformly during baking.
In two or three stages alternating between dry and wet, add the flour mixture and the milk to the butter-egg base while continuing to beat with the mixer. Add the vanillin (or lemon zest) at this stage. The properly mixed batter should look soft, light and beautifully elastic.
Transfer the prepared cupcake batter to a piping bag fitted with a wide round nozzle. The piping bag makes filling the cupcake cases far more precise and tidier than spooning the batter in.
Prepare a baking sheet and the special paper or silicone capsules for the cupcakes. You can use any kind of capsules at your discretion, from plain white to brightly patterned varieties for festive occasions.
Fill each cupcake capsule about two-thirds full with the prepared batter. The piping bag makes this filling step convenient and produces consistently sized cupcakes across the entire batch.
Preheat the oven to 175 degrees Celsius and bake the classic cupcakes for 25 to 30 minutes. The exact baking time depends on the power of your particular oven. Check doneness by piercing one cupcake with a wooden toothpick: if it comes out clean and dry, the cupcakes are properly baked.
Place the finished baked cupcakes on a wire rack to cool completely before adding the cream topping. Hot cupcakes would melt the protein cream rather than holding it in beautifully piped shapes.
While the cupcakes cool, prepare the protein cream by whipping the egg whites with the lemon juice and gradually adding the powdered sugar. Whip until properly stiff stable peaks form, then transfer the cream to a piping bag fitted with a star nozzle.
Pipe a beautiful cream topping onto each cooled cupcake using the prepared piping bag with the star nozzle. Aim for a generous swirl that rises about 2-3 centimetres above the cupcake top for the most impressive presentation.
The classic cupcakes with protein cream are now ready to serve. Bring the dessert proudly to the table and brew a fragrant pot of tea. Cook these classic cupcakes according to this recipe and experiment with variations to add new tasty bakes to your repertoire. Bon appetit!
Tips
- 1
Bring all the ingredients (especially the butter, eggs and milk) to proper room temperature at least two hours before starting the recipe, since cold ingredients do not incorporate smoothly and produce a lumpy disappointing finished cupcake batter. The temperature step is genuinely essential for the lightest most uniform finished result and is often the single biggest factor that separates excellent home-baked cupcakes from mediocre ones at the table.
- 2
Beat the butter and sugar together for the full recommended 4-5 minutes for properly aerated finished cupcakes. To pair these beautifully tender cupcakes with another classic homemade dessert from the same culinary tradition, try our beautifully indulgent eclairs with custard cream at home as a more elaborate French-style alternative for special celebration tables.
- 3
Use a clean dry mixing bowl for whipping the protein cream, since any trace of grease or moisture would prevent the egg whites from reaching the proper stiff peaks. The bowl should also be a metal or glass mixing bowl rather than plastic, since plastic absorbs grease over time and can interfere with proper whipping. Test by wiping the bowl with a paper towel before starting and check for any residue.
- 4
Pipe the cream topping onto fully cooled cupcakes only, since warm cupcakes would melt the protein cream into a runny mess. For another classic homemade celebration cake to add to your baking repertoire, try our beautifully tender chocolate crepe cake with custard as a more elaborate showpiece dessert for special occasions.
FAQ
Why did my cupcakes sink in the middle? +
Sunken cupcakes usually mean the oven was opened too early during baking, the batter was overmixed (which knocks out the air), the baking powder was old and inactive, or the oven temperature was too low. Always wait until at least 20 minutes into baking before opening the door, mix the batter only until just combined, check the freshness of your baking powder, and use an oven thermometer to verify the actual temperature matches the recipe requirement.
Can I make these cupcakes without eggs? +
Yes, replace each whole egg in the dough with 1/4 cup of unsweetened applesauce or 3 tablespoons of aquafaba for a vegan-friendly version. The cupcakes will be slightly denser than the egg version but still produce a perfectly acceptable result. For the protein cream topping, aquafaba whips up beautifully into stable peaks similar to egg whites and produces a fully vegan version of the classic cream that nearly nobody can distinguish from the original.
How long do these cupcakes keep? +
Store the unfrosted baked cupcakes in an airtight container at cool room temperature for up to three days for best results. The frosted cupcakes keep beautifully for up to two days at room temperature, or up to four days refrigerated. The unfrosted cupcakes also freeze well for up to two months in airtight containers, which makes them ideal for batch baking. Frost the thawed cupcakes with fresh cream just before serving for the best appearance and texture.
Can I add fillings inside the cupcakes? +
Absolutely. Once the cupcakes are baked and cooled, use a small knife or apple corer to remove a cone of cake from the centre of each one and fill the cavity with jam, lemon curd, chocolate ganache, fresh whipped cream or even small fresh berries. Replace the cake cone on top to seal the filling inside, then frost the cupcake normally. The hidden surprise filling delights guests and adds extra flavour complexity to each individual cupcake.
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