Heat butter in a large saucepan and saute chopped onion and garlic on medium heat for three minutes Add fresh corn and one cup of water and cook till corn is soft. Add creamed sweet corn and stir. Mix milk with and three cups of water and add to the corn mixture. Bring it to a boil, reduce heat and simmer for a while. Add pepper powder and salt to taste.
Stir and serve piping hot.