Preheat oven to 350° F.
Line a muffin tin with cupcake liners.
In a mixing bowl, combine flour, sugar, baking powder, and salt.
In a seperate bowl, whisk together the eggs, milk, butter, and vanilla.
Pour the wet ingredients into the dry ingredients and mix well.
Fill each cupcake liner 3/4 full with batter.
Bake for 18-20 minutes, until a toothpick inserted in the center of a cupcake comes out clean.
Remove cupcakes from oven and transfer to a cooling rack. Let fully cool.
Once cupcakes have cooled, frost cupcakes with the chocolate frosting.
Place two pretzels on the top two corners of the cupcake.
Add two candy eyes.
Add a jelly bean to create a nose.
Enjoy.