Preheat oven to 400 degrees F.
Butter a raised edge 8 1/2 by 12 inch cookie sheet. In a mixing bowl, stir together eggs, butter, cheese and semolina. Spread paste into buttered cookie pan and bake 10 minutes, until light golden brown. Remove and flip out on to board to cool. Cut into 1/4 inch cubes. Bring chicken broth to boil and drop in squares. Simmer 10 minutes and serve, garnished with grated cheese.
Recipe Courtesy of Mario Batali