"1 cup of tomato puree"
"1 bay leaf"
"a few drops of pepper sauce"
"1 pinch of salt"
"2 egg whites beaten until stiff"
"1 cup of tomato puree"
"1 bay leaf"
"a few drops of pepper sauce"
"1 pinch of salt"
"2 egg whites beaten until stiff"
"Cook the first 4 ingredients until the mixture reduces to 1/2 cup"
"Strain through a sieve, add the whipped egg whites and place in a small, shallow dish to form a layer about 1 cm thick"
"Place the dish in a moderate temperature oven with water and bake for about 10 minutes"
"Let cool and cut into small cubes"
"Add to soup just before serving"
"Serve 12 cubes."