Raspberry-Rhubarb Slab Pie
""Slab pie" is a pastry baked in a jelly-roll pan and cut in slabs like a bar cookie—or a pie bar, if you will. My grandfather was a professional baker and served pieces of slab pie to his customers back in the day. Here is my spin, featuring rhubarb and gorgeous red raspberries. —Jeanne Ambrose, Milwaukee, Wisconsin..."
INGREDIENTS
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3-1/4 cups all-purpose flour
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1 teaspoon salt
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1 cup butter
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3/4 cup plus 1 to 2 tablespoons 2% milk
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1 large egg yolk
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2 cups sugar
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1/3 cup cornstarch
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5 cups fresh or frozen unsweetened raspberries, thawed and drained
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3 cups sliced fresh or frozen rhubarb, thawed and drained
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VANILLA ICING:
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1-1/4 cups confectioners' sugar
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1/2 teaspoon vanilla extract
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5 to 6 teaspoons 2% milk
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