Preparation

• Preheat oven to 375 degrees. Line a jelly roll pan 8-inch by 12-inch with parchment paper.
  Brush with butter. Remove stems from watercress. Chop and combine with parsley, Parmesan cheese, and egg yolks.
  Whisk the whites, and fold in herb mixture. Spread over entire surface of pan, and bake 10-12 minutes. Cool.
  Peel off the lining paper. Transfer to a sheet of transparent paper. Peel, seed, and chop tomatoes.
  Add to cream cheese. Season. Dissolve gelatin in water. Melt and combine with cream cheese mixture.
  Spread over surface of roulade. Roll up like a jelly roll. Chill. Unwrap, and slice into 20 rolls.