A Christmas favorite at our house. This one is also courtesy of JoLynn, a former neighbor.
Bring to a boil, then remove from heat:
2 c. white Karo
1 c. sugar
Then add 2 c. chunky peanut butter to make a syrup. Add about 8 c. corn flakes. When flakes are covered, pour mixture onto cookie sheet with sides. Cool, then cut into squares.