My Peanut Butter Chocolate Bars Are Worth Fighting Over

Make ahead: The crust can be made up to 1 day ahead. Let cool, then cover tightly in plastic wrap and store at room temperature. Unwrap before filling and baking.

Storage: The bars can be refrigerated in an airtight container for up to 1 week. To freeze, wrap in plastic wrap, place in a freezer-safe container, and freeze for up to 4 months. Thaw in the refrigerator for 1 hour or at room temperature for 15 to 20 minutes.