Combine sugar, milk, corn syrup and butter in a pan on top of the stove. Bring to a rolling boil and cook for 4 minutes, stirring often.
Remove from heat and add vanilla extract, pecans and coconut. Stir for several minutes until mixture starts to thicken. Takes about 3 to 4 minutes.
Drop by spoonfuls onto wax paper. Refrigerate or put in cool place until hardens. Makes about 36 pralines.
