Make filling first so it can chill

Whisk eggs in a bowl and set aside

In medium sauce pan over medium heat mix sugar, flour, salt, and milk

Stir until dissolved and cook over medium heat, stirring constantly

While briskly whisking, slowly pour some of this mixture into the eggs to temper them

Pour egg mixture back into sauce pan and mix thoroughly. Bring back to a simmer, stirring constantly

Once it bubbles, cook 3 minutes or until thickened

Remove from heat and add butter and vanilla and mix thoroughly

Pour into bowl and cover with plastic wrap pressed against the top of the pudding so skin does not form

Preheat oven to 400

In medium sauce pan add 1/2 cup water and butter

Heat until butter is just melted and add flour

Stir in flour until dough ball forms

Remove from heat and let stand 5 minutes

Add eggs one at a time, stirring vigorously between each addition to incorporate air into the dough

Scoop by tablespoon onto parchment lined baking sheets

Cool puffs on wire racks

Once filling is cold, fill each puff no more than 2 hours before service or puffs will get soggy

Puffs can be sprinkled with powdered sugar or drizzled with melted chocolate