Easy Key Lime Pie Bars

You need just 7 ingredients to make these simple key lime pie bars a handheld version of my key lime pie recipe. Todays bars are creamy and tangy with a simple graham cracker crust. Be sure to cool and chill the bars before cutting into squares
Ingredients
Crust
12 fullsheet graham crackers to yield 1 and 12 cups 180g graham cracker crumbs
6 Tablespoons 85g unsalted butter melted
14 cup 50g granulated sugar
Filling
4 ounces 113g fullfat brick cream cheese softened to room temperature
4 large egg yolks

14ounce 397g can of sweetened condensed milk
12 cup 120ml key lime juice
2 teaspoons lime zest about 1 lime or 2 key limes
optional for garnish whipped cream and lime slices
Instructions
Preheat oven to 350F 177C. Line a 9inch square baking pan I love this one and this one with parchment paper leaving an overhang on the sides to easily lift the bars out of the pan. Set aside.
Make the crust If youre starting out with full graham crackers use a food processor or blender to grind them into fine crumbs. You can also place them in a ziptop bag and crush them into fine crumbs with a little arm muscle and a rolling pin. Stir the graham cracker crumbs and granulated sugar together in a medium bowl and then stir in the melted butter. The mixture will be thick coarse and sandy. Try to smashbreak up any large chunks. Press into the bottom of the lined pan.
Prebake crust Bake the crust for 10 minutes. Cool for a few minutes as you prepare the filling in the next step.
Make the filling Using a handheld or stand mixer fitted with a paddle or whisk attachment beat the cream cheese on mediumhigh speed until smooth about 1 minute. Beat in the egg yolks. Scrape down the sides of the bowl as needed. Beat in the sweetened condensed milk key