Cooked Icing

Ingredients
- 1 c milk
- 4 Tbsp flour
- 1 stick butter
- 12 c shortening
- 1 c sugar
- 1 tsp vanilla
Directions
- Cook milk and flour until thick
- Cool
- Beat butter shortening sugar and vanilla until sugar is dissolved
- Add milk mixture to sugar mixture until fluffy
- Add peanut butter to taste
- Mix until blended and fluffy