Spray bottom and sides of a 9” springform pan with nonstick cooking spray. You can also use a 9” tart pan (with removable bottom) or a 9” pie plate.

Stir Oreo crumbs and melted butter with a fork, then press into the bottom and 1” up the sides of the pan. (If using a tart pan or pie plate, press the crumbs all the way up the sides.) Chill until ready to fill.

Place caramels and 4 tablespoons heavy whipping cream in a medium bowl. Heat on high power for 2-3 minutes, stirring every 30 seconds, until the mixture is smooth. Stir in salt to taste, then pecans, then spread evenly in the bottom of the pan.

Place chocolate chips and remaining 1 cup heavy whipping cream in a large bowl. Heat on high power for about 1 minute 15 seconds, then whisk until the chocolate has melted and the mixture is smooth. Spread evenly on top of the caramel layer.

Sprinkle the top with coarse sea salt and chill until set, about 2 hours. Store in refrigerator. Let sit on the counter for 10 minutes before serving. If you're using a springform pan or tart pan with removable base, remove the base from the sides while the pie is cold.