Grandma Murdock'S Butterscotch Pie - cooking recipe

Ingredients

1 c. dark brown sugar, firmly packed
1 1/2 c. milk
2 Tbsp. butter
5 Tbsp. plain flour
2 egg yolks, well beaten
pinch of salt

Preparation

Mix all ingredients, except butter.
Cook in saucepan over medium heat until thick.
Add butter.
Pour into a baked pie shell.