Total Time
1hr 15mins
Prep 15 mins
Cook 1 hr

From TOH

Ingredients Nutrition


  1. In a large saucepan, bring the water, butter, salt and cayenne to a boil.
  2. Add flour all at once and stir until a smooth ball forms.
  3. Remove from the heat; let stand for 5 minutes.
  4. Add eggs, one at a time, beating well after each addition.
  5. Continue beating until mixture is smooth and shiny. Stir in Gruyere and mustard.
  6. Drop by rounded teaspoonfuls 2 inches apart onto greased baking sheets. Sprinkle with Parmesan cheese. Bake at 425° for 15-20 minutes or until golden brown. Serve warm or cold.