Smoked Salmon Spinach Roulade

Name: Smoked Salmon & Spinach Roulade
Ingredients: 1 10-ounce package frozen spinach, thawed and squeezed dry; ½ cup chopped fresh parsley; ⅓ cup flour; ¼ cup reduced-fat sour cream; Dash of hot pepper sauce; Salt & freshly ground pepper, to taste; 2 large egg yolks; 6 large egg whites