Carolyn's Chocolate Pie with Meringue

Chocolate pie:
1 1/4 c. sugar
3 egg yolks
1 1/2 c. milk
3 T. cocoa
3 T. flour
1 t. vanilla
1 T. butter, softened
1 baked pie shell, not deep dish

Mix dry ingredients together. Add milk and eggs. Blend with mixer. Cook in microwave 12-14 minutes at 60-70% power until thick. Stir with a whisk every 3-4 minutes. Add butter & vanilla. Mix well. Pour in pie shell, on a cookie sheet. Add whipped meringue and bake at 350 degrees until meringue is lightly browned.

Meringue:

3 egg whites
1/8 t. cream of tartar
sugar
1/4 t. vanilla

Whip till stiff & place on pie before baking.