You will need:
1/4 cup butter
1/2 cup white sugar
1/2 cup brown sugar
1/2 cup light Karo syrup
1/2 cup sweetened condensed milk
How to make it :
1- combine all ingredients.
2- cook 5 minutes on medium-high heat, stirring every minute.
3- stir and pour into a lightly greased dish.
4- let cool.
5- cut, wrap in wax paper & store in an airtight container