1Heat oven to 350°F. Place pie crust in 9-inch glass pie plate as directed on box for One-Crust Filled Pie.
2In large bowl, stir together nuts, granulated sugar, brown sugar, cocoa and flour. Add eggs; stir to combine. Add melted butter and vanilla; stir to combine. Pour into crust-lined plate.
3Bake 35 minutes or until center is set and crust is golden brown. Immediately sprinkle with sea salt. To serve pie warm, cool on cooling rack about 10 minutes, or serve at room temperature.