6 tablespoons butter, cut into bits
1 cup water
pinch of salt
pinch of white pepper
1 1/2 cups all purpose flour
2 cups coarse shred, gruyere cheese
Preheat oven to 400 degrees.
In a samll sauce pan bring water, salt and butter to boil. Remove from heat and stir in flour and pepper n. Reduce heat to with a wooden spoon reduce heat to medium and return mixture to heat. Stir vigorously with wooden spoon until mixture becomes very thick and a thin film begins to form on bottom of pan, about 1 minute.
Remove from heat and place in stand mixer set on medium-high speed. Add eggs one at a time, waiting until each egg is combined thoroughly. The dough should be the texture of thick mayonnaise. Stir in 1 1 1/2 cups cheese.
Line baking sheet with parchment, stick corners down with a bit of batter to keep parchment in place.
Place batter in piping bag and pipe the batter in about a heaping tablespoon amount onto parchment spaced at least 2 inches apart. Sprinkle tops with remaining cheese. Bake for 25 minutes or until tripled in volume and golden brown. Cool on rack and serve warm.