1. Prepare the Crust: First, place your Oreo Thins in a food processor and pulse until they form fine crumbs. Alternatively, put them in a zip-top bag and crush them with a rolling pin. Next, transfer the crumbs to a medium bowl. Pour in the melted butter and mix well until the crumbs are thoroughly moistened.

2. Press the Crust: Now, press the crumb mixture firmly and evenly into the bottom of a 9×13 inch baking dish. Use the back of a spoon or your fingers to compact it. Place the dish in the freezer for about 15-20 minutes while you prepare the next layer. This helps the crust set firmly.

3. Make the Cream Cheese Layer: In a large mixing bowl, beat the softened reduced-fat cream cheese with an electric mixer until it’s light and fluffy. Gradually add the powdered sugar, beating until smooth. Pour in the milk and vanilla extract, mixing until just combined.

4. Fold in Whipped Topping (Part 1): Gently fold one container (8 oz) of the thawed light whipped topping into the cream cheese mixture until no streaks remain. This step creates a light and airy layer.

5. Spread Cream Cheese Layer: Remove your baking dish from the freezer. Carefully spread the cream cheese mixture evenly over the chilled crust. Return the dish to the refrigerator to chill while you prepare the chocolate pudding.

6. Prepare the Chocolate Pudding: In another large bowl, whisk together the sugar-free chocolate pudding mixes and cold milk for about 2-3 minutes, until the mixture begins to thicken. It will thicken considerably as it stands.

7. Layer the Pudding: Pour the thickened chocolate pudding mixture carefully over the cream cheese layer in your baking dish. Use a spatula to spread it smoothly and evenly.

8. Top with Whipped Topping (Part 2): Finally, spread the remaining 8 oz container of thawed light whipped topping over the chocolate pudding layer. Make sure to cover the entire surface for a beautiful finish.

9. Chill Thoroughly: Cover the dish loosely with plastic wrap. Refrigerate the Guilt-Free Chocolate Lasagna for at least 4 hours, or preferably overnight, to allow all the layers to set properly and the flavors to meld beautifully.

10. Garnish and Serve: Just before serving, garnish with chocolate shavings or mini chocolate chips if desired. Slice and serve this delightful, healthier chocolate treat!