1 Preheat oven to 350°F. Combine flour, 3/4 cup walnuts and next 5 ingredients (sugar through baking soda) in food processor. Whirl until walnuts are finely ground. 2 Add eggs, egg white and cheese; pulse until dough is evenly moistened. Knead or stir in remaining 1/2 cup walnuts. 3 Turn dough out onto greased or parchment lined baking sheet. Pat dough into 12x3x3/4-inch loaf. Sprinkle top with coarse salt. 4 Bake 25 minutes until light golden brown. Cool 15 minutes or until firm enough to slice. Reduce oven to 300°F. 5 With a sharp knife, cut loaf into 1/4-inch thick slices. Place in single layer on ungreased baking sheets.6 Bake at 300°F 20-25 minutes until light golden brown and crisp to the touch. Biscotti will continue to crisp as they cool.