Ingredients
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7 tbsp kosher for Passover margarine, melted and divided
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1 cup walnuts, toasted and cooled
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1/2 cup matzo meal
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3/4 cup sugar, divided
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3/4 tsp cinnamon, divided
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1/4 tsp salt, divided
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2 cups frozen mixed-berry medley, thawed
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1/4 cup potato starch
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Zest of 1 lemon
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1 1/4 lbs Golden Delicious apples
Steps
1
Preheat oven to 350°F. Brush inside and bottom of a 9-inch tart pan with removable bottom with 1 tbsp margarine.
2
In a food processor, pulse the walnuts, matzo meal, ¼ cup sugar, ½ tsp cinnamon, and ⅛ tsp salt until finely ground, stopping and stirring occasionally. Transfer to a medium bowl and stir in 5 tbsp margarine until combined.
3
Firmly press mixture up the sides and along bottom of prepared tart pan. Bake 8–10 min., until golden. Remove from oven and let cool on wire rack.
4
When crust has cooled, in a medium saucepan, combine the berries and remaining ½ cup sugar. Cook on medium 3 min., until berries begin to break down, stirring occasionally. Remove from heat and stir in the potato starch, lemon zest, and remaining ⅛ tsp salt. While berries are still warm, spread in crust in even layer.
5
Peel, core, and very thinly slice apples. Arrange apples on top of berries and brush with remaining 1 tbsp margarine. Sift remaining ¼ tsp cinnamon on top. Place tart on a baking sheet and bake 45–50 min., until apples are tender and crust is golden brown. Cool on wire rack.