Cupcakes: Preheat the oven to 350 F (180 C).
Line a 12-muffin tin with paper liners.
In a bowl, lightly beat the eggs, then add the butter and sugar.
Mix until a light and creamy mixture is obtained.

Add the milk, flour, baking powder, salt, cocoa, and maple syrup.
Beat with an electric mixer for 2 minutes until a light and creamy mixture is obtained.
Add the chocolate chips and mix.

Divide the mixture evenly among the muffin cups.
Bake for 18 to 20 minutes until the cupcakes are firm to the touch.
Let cool for a few minutes, then transfer to a wire rack.
Let the cupcakes cool completely before glazing.

Glaze: Mix all the ingredients with an electric mixer until a light and creamy mixture is obtained.
Pour the mixture into a piping bag with a star tip and decorate the cupcakes.