Prepare a baking sheet pan by lining with parchment paper or a silicone baking mat.
Note - the following instructions are for using a 10-ounce box of Pepperidge Farms puff pastry shells. If using a different brand, follow instructions on their box.
Preheat oven to 425℉ (220℃)
Remove frozen puff pastry shells from packaging.
6 Medium Puff pastry shells
Break along scored lines to separate the shells. Place on prepared baking sheet.
Bake in preheated oven for 18-20 minutes. Pastries will be puffed and golden brown.
Cool on pan for 5 minutes. Use a knife to remove the middle to create a well in center of the pastry.
Fudge filling
Place chocolate in a large heat-resistant bowl.
4 Ounces Bittersweet Chocolate, chopped in chunks
Combine heavy cream and corn syrup in a microwave safe dish. Place in microwave and bring to a low boil. (alternatively, heat in a saucepan over your stove top).
¼ Cup Heavy Cream, 1 Tablespoon Light Corn Syrup
Pour cream/corn syrup over chocolate. Let stand for 5 minutes, then whisk until smooth.
Add softened butter to bowl. Stir until smooth.
2 Tablespoons Unsalted Butter
Allow icing to sit at room temperature and cool until it is firm enough to spread or pipe (approximately ½ hour).
Assembly
Pipe or spoon fudge icing into the well of each puff pastry shell.
Place 3 - 4 candy eggs on top of fudge icing. Optional - add colorful sprinkles.