Preheat oven to 400F.

In a pot, heat water, salt, and butter until melted.

Stir in flour until a dough ball is formed in pot.

Remove from heat. Whisk in eggs one at a time until evenly combined. Fold in cheese mixture and chives.

Divide dough into 1 inch balls. Arrange dough balls on lined baking sheet with approximately 1.5 inch spacing in between.

Bake 10 mins at 400F. Reduce heat to 350F and continue baking for 20-25 mins until puff crust is crisp and golden brown.