Place a large pot on heat and add the butter. Allow it to melt completely then pour in the corn kernel then sprinkle the salt and stir. Cover the lid completely and allow the kernels to pop.this will take only few minutes. Shake the pot at intervals. When you notice that the popping has stopped remove from heat and stir then sprinkle the sugar syrup,shaking the pot at intervals. Add the vanilla and milk and give it a nice shake. Your homemade popcorn is ready. Enjoy!