INGREDIENTS
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Nonstick cooking spray
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4 egg whites
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1 cup granulated sugar
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1 teaspoon vanilla extract
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1/2 teaspoon baking powder
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Pinch salt
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1 cup chopped walnuts
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One 15.8-ounce pack Maria crackers, chopped
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8 ounces (1 cup) cream cheese
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1/2 cup sour cream
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1/2 cup powdered sugar
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1 teaspoon vanilla extract
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1 1/2 pounds sliced fresh strawberries, for garnishing