In a large bowl, stir together coconut, graham cracker crumbs, sugar, and pecans. Pour over egg whites and toss until fully moistened.
Spread pie filling into prepared, unbaked pie crust.
Bake for 25-30 minutes. Pie filling will still be slightly gooey inside. Be careful not to overbake! The top of the pie should be golden brown, set and slightly shiny.
Top with whipped topping, banana slices, ice cream or a caramel drizzle!