Instructions: Preheat oven to 325F.

In a medium bowl, beat egg whites until foamy. Add remaining ingredients, one at a time, blending well after each addition. Spoon the batter into a 9 x 13 inch non stick pan thats been lightly coated with vegetable oil cooking spray. Bake for 25 to 30 minutes, until the top starts to brown.

Let cool. Sprinkle top with powdered sugar. Cut into 1 3/4 inch squares.

Store in a tin.

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