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Export 6 ingredients for grocery delivery
Step 1
Preheat the oven to 350°F. Lightly coat a 9 x 13-inch baking dish with cooking spray.
Step 2
In a stand mixer fitted with the paddle attachment, combine the lemon cake mix, half the melted butter, and 1 of the eggs. Mix until a consistency of cookie dough is reached.
Step 3
Press into the bottom of the baking dish in an even layer.
Step 4
In a large bowl, beat the cream cheese and mascarpone cheese until smooth. Add the remaining 2 eggs, remaining melted butter, the vanilla, and the lemon zest. Mix well.
Step 5
Slowly add the confectioners' sugar, scraping the bowl down as you go, until light and fluffy.
Step 6
Pour the mixture over the cake base.
Step 7
Bake for 40 to 45 minutes, until the top is lightly golden and the crust is starting to crack.
Step 8
Cool and cut into bars to serve.