In a pot heat up the butter

Add the corn kernels when the butter has melted and stir

Close the pot and reduce flame to medium heat, shake the pot continuously when the corn start popping so that it will pop evenly and to avoid burning

When it stop popping, turn inside plate and let it cool meanwhile,add sugar in another pot with little water and vanilla extract and turn to a syrup,pour over the popcorn and mix thoroughly at this stage you can add milk if you so wish