1 c. sugar
3 tbsp. flour
3 egg yolks
1 small can Pet evaporated milk
1 c. whole milk
2 tbsp. butter
1 tbsp. vanilla
2 tbsp. cocoa

Cook sugar, flour, egg yolks, Pet evaporated milk and whole milk together on medium heat until thick. Add butter and vanilla. Cook until it bubbles lightly, then remove from heat. Add cocoa. Mix well.