2 tbsp butter
1 1/2 tbsp flour
1/2 cp sugar
1 1/2 cps boiling water 1/2 tsp vanilla
1 - Melt 1 tbsp of the butter and stir in the flour.
2 - Add the sugar; grandually pour in the boiling water.
3 - Cook and stir until thick and the boiling point has been reached.
4 - Gradually beat in the remaining butter; and add the vanilla.