Using the wrong ingredients
It takes science to bake. That implies if you want to eat a filling snack, your cupcake batter combination must be prepared exactly as directed. As a result, before you begin baking, carefully study the recipe. If you read the recipe as you go, you run the risk of making several baking errors. The first thing you should do after carefully reading a cupcake recipe is to make sure you have all of the ingredients specified, exactly as they are stated. The results will undoubtedly alter if you use a different kind of sugar, flour, oil, or butter than what the recipe asks for. For instance, various varieties of flour (such as cake flour, self-rising flour, and all-purpose flour) have various levels of macronutrients and unique qualities that might influence how your cupcakes rise and their general texture.
The same goes for recipes that specify unsalted butter—they do so for a reason! Salted and unsalted butter should not be used interchangeably since your cupcakes will taste and feel differently as a result. The same is true of baking powder and baking soda, which are frequently confused but should not be used indiscriminately unless you want flat, metallic-tasting cupcakes.