If you choose to make a graham cracker crust allow it to cool completely before making the filling
In a stand up mixer with a wire whisk attachment start whipping the mascarpone cheese and powdered sugar until it is creamy. This should take 2-3 minutes .
Slowly add the cold whipping cream stopping to scrape down the sides when needed
Keep mixing on high until firm peaks form. Once peaks form stop mixing .
Add the lemon juice , lemon zest and yellow food coloring . Mix it for a few minutes until everything is incorporated well and remove the bowl from the mixer
Add a half can of condensed milk and fold in with a rubber spatula , mix until it is incorporated
Poor filling into prepared and cooled graham cracker crust
Cover and chill overnight or at least 8 hours.
Once chilled prepare the whipped cream by beating the whipping cream, powdered sugar and vanilla with a wire whisk attachment until soft peaks form.
Pipe or spread whipped cream around the edges of the pie
Garnish with lemon slices and mint leaves