Mexican Jell-O

Sweetened condensed milk has been used in Mexico for many years.

1 box strawberry Jell-O
1 envelope Knox gelatine, dissolved in a very
    small amount of cold water
2 cups hot water
2 cups cold water
1 can sweetened condensed milk

Mix strawberry Jell-O, gelatine and 2 cups hot water. Add 2 cups cold water; slowly mix in can of sweetened condensed milk. Chill for 4 hours.