Cook over medium heat, stirring constantly until thick…

• 1/2 cup milk
• 4 1/2 teaspoons flour 

Add and beat for about 7-8 minutes…

• 1/2 cup white or brown sugar
• 4 tablespoons unsalted butter
• 4 tablespoons shortening
• 1 teaspoon vanilla 

Optionally add 1/4 to 1/2 cup ground or chopped nuts.