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1
Heat oven to 350.
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2
Cut a piece of parchment paper into a 9x14 rectangle and line a 9x9 baking pan with it, allowing the ends to extend over the edge.
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3
Butter the parchment paper and the sides of the pan that are exposed.
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4
Crust/Topping:.
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5
Set aside 2 tablespoons of flour in a small bowl.
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6
Whisk together the remaining 1 1/4 cups of flour and salt in a small bowl, set aside.
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7
In a large mixing bowl, beat the butter on medium speed until smooth.
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8
Add the cream cheese and almond extract, beat until smooth, scraping down the sides of the bowl as needed.
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9
Add 1/4 cup each of sugar and brown sugar and beat on medium speed until blended.
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10
Add the flour/salt mixture and 1/3 cup of almonds.
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11
Grate the zest one lemon.
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12
Reserve 2 teaspoons of the zest, add the rest to the mixture and beat on low just until the four is absorbed and the mixture starts to clump.
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13
Set aside 2/3 cup of dough in another bowl and press the remaining dough into the bottom of the 9x9 lined pan.
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14
Prick the dough all over with a fork.
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15
Bake until the crust is golden, especially around the edges, approximately 20 minutes.
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16
Remove from oven but leave the oven on.
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17
While the crust bakes, add 2 tablespoons of the reserved flour and 2 tablespoons each of sugar and brown sugar to the reserved dough.
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18
Mix with fingertips until combined and somewhat clumpy.
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19
Filling:.
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20
In a large mixing bowl, beat the cream cheese with an electric mixer.
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21
Add egg, beat until combined, scraping down the bowl as needed.
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22
Beat in 2 teaspoons lemon zest, lemon juice and salt.
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23
Spread apple slices over the bottom crust and pour the cream cheese mixture on top.
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24
Spread gently to cover apples.
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25
Crumble the remaining dough on top.
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26
Sprinkle with remaining almonds.
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27
Bake until topping and almonds are lightly browned, approximately 40 minutes.
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28
Allow the bars to cool in the pan on a wire rack until just warm.
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29
Remove from pan using the extra parchment as handles and set on the wire rack to finish cooling.
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30
Transfer, still on parchment, to a cutting board.
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31
Slide a long metal spatula between the bars and parchment to separate them.
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32
Slide the parchment from the bottom of the dessert.
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33
Cut into 16 equal sized squares and serve.