2 eggs, separated
1 c. brown sugar
3 tbsp. cold water
1/3 c. butter
3 tbsp. flour
1 c. milk
1/2 tsp. vanilla (or to taste)
1 pie crust, baked

Cook egg yolks, sugar, water, butter, milk, flour and vanilla over low heat until thick as a custard. Use a whisk. Pour the custard into the pie shell. Whip the egg whites until soft peaks form, adding sugar to taste. Spoon the whites over the pie. Bake at 400 degrees until top is golden.