3 cups whole milk
3/4 cup sugar
1/3 cup cocoa powder
1/4 cup corn starch
1/2 tsp salt
1 tsp vanilla
3 Tbsp butter
Whisk all ingredients except butter and vanilla into a saucepan.
Whisk constantly at Med high heat until thickened. May take 10 minutes, don’t get discouraged… just keep whisking.
Once thick, remove from heat and whisk in butter and vanilla.
Pour into container or pie crust.
Refrigerate for 4-6 hours