sugar start melting, keep stirring the sugar continuously till sugar start melting and changing the color to light brown. turn off the heat as soon it comes to golden brown in color. this should take 4 minutes. note: when sugar starts melting it changes the color very quickly and it can easily burn.
slowly add milk mixture sugar will become lumpy open the heat to medium and keep stirring sugar will dissolve and will give nice light brown color.
keep stirring and scraping the sides about 15 minutes mixture will become lumpy add the remaining butter and keep stirring until mixture become soft dough consistency.
pour it over greased plate and flatten with 