Zesty Key Lime Pie Bars with Graham Cracker Crust - Quickie Treats

Ingredients

• 15 sheets graham crackers (or 30 squares), finely crushed
• 2 tablespoons sugar
• 1 pinch salt
• 6 tablespoons unsalted butter, melted
• 6 ounces cream cheese, room temperature
• 1 can (14 ounces) sweetened condensed milk
• 4 egg yolks
• 1 tablespoon lime zest
• 1/2 cup key lime juice (or regular lime juice)
• 1/2 teaspoon vanilla extract