Ingredients
1 cup water2 tablespoons butter1/2 teaspoon salt1/8 teaspoon cayenne pepper1 cup all-purpose flour4 large eggs, room temperature1-1/4 cups shredded Gruyere or Swiss cheese1 tablespoon Dijon mustard1/4 cup grated Parmesan cheese
Preparation
In a large saucepan, bring the water, butter, salt and cayenne to a boil. Add flour all at once and stir until a smooth ball forms. Remove from the heat; let stand for 5 minutes. Add eggs, 1 at a time, beating well after each addition. Continue beating until mixture is smooth and shiny. Stir in Gruyere and mustard.
Drop by 1-inch balls 2 in. apart on greased baking sheets. Sprinkle with Parmesan cheese. Bake at 425° for 15-20 minutes or until golden brown. Serve warm or cold.
