Sucre a Creme - Cream Fudge

3 cups brown sugar
1/2 lb butter
1/2 can of can milk (185ml)
2 cups icing sugar
1 tsp vanilla

Melt brown sugar and butter stirring constantly. Bring to a boil and add can milk.
Bring to a boil stirring constantly and boil for 5 minutes.
Remove from heat and add icing sugar and vanilla.
Stir with a beater until mixture thickens and appears less glossy.(about 5 minutes)
Pour in buttered 9x9 pan.