"These lemon meringue pie bars are totally portable, unlike regular lemon meringue pie. A shortbread crust is topped with a lemon bar mixture and then the whole pan is frosted with a marshmallow meringue topping!..."
INGREDIENTS
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1 1/2 boxes (about 5.3 ounces each) Walkers Shortbread Cookies, finely crushed (about 2 1/4 cups cookie crumbs)
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3 tablespoons butter, melted
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1 1/2 cups granulated sugar
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Pinch of salt
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1/2 cup fresh lemon juice
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Zest of 1 lemon
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4 large eggs
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4 egg whites
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3/4 granulated sugar