Russian Toffee - cooking recipe

Ingredients

1 (12 ounce) can sweetened condensed milk
1/2 lb sugar
1/4 lb butter

Preparation

Put milk, butter and sugar into a saucepan and bring to a boil.
Stir constantly (to prevent sticking or burning) and cook gently until it becomes a caramel colour,it usually takes about 15 minutes.
Pour into greased dish to set.
When half cold, cut into pieces.
Eat when completely cooled down.