Preheat oven to 350℉ and line a baking pan with parchment paper.
Using a stand mixer or hand blender, beat the shortening with the sugars until smooth and creamy.
Stir in egg, cream and vanilla.
Add flour, baking soda and salt, stir until just combined.
Fold in chocolate chunks and pretzels.
Drop 12 even scoops of dough onto prepared pan, leaving 2 inches of space between each one.
Bake in preheated oven for 12-15 minutes or until tops start to turn golden. Centers will still be slightly wet.
Allow to cool on pan for 2 minutes before transferring to a cooling rack to continue cooling.
Store cooled cookies in an air-tight container for up to 3 days.