The custard for Cajun custard pie is nothing more than a stovetop egg-and-cornstarch vanilla custard.
Folding the dough over the filling is a bit unusual but entirely traditional.
Ultimately, we really liked the extra texture from the dough sandwiching the silky custard filling.

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle
However, if you like a tidier presentation, you couldcrimp the pie crust.
Ingredients
Crust:
1largeegg
1largeegg yolk
1Tbsp.half-and-half
2 1/2cups(about 10 5/8 oz.
)unsalted butter, cut into 1/2-in.

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle
Add butter and pulse until coarse meal forms, about 15 pulses.
(The dough should still look a little dry and crumbly, but hold together when squeezed.)
Transfer to work surface and knead gently until cohesive.

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle
Transfer dough, still between sheets of parchment, to a baking sheet.
Chill in refrigerator until firm, at least 1 hour and up to 12 hours.
Whisk in egg and egg yolks; gradually whisk in half-and-half.

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Remove from heat and whisk in butter and vanilla.
Remove Crust from fridge:
Preheat oven to 350F.
Remove dough from refrigerator and let sit at room temperature until pliable, about 10 minutes.

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Remove and discard 1 sheet of parchment paper from dough.
Transfer dough to a 9-inch pie dish, parchment-side up.
Remove and discard second sheet of parchment paper.

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(Note: If dough tears, patch it with more dough.)
Fill Crust:
Gently press dough into pie dish, leaving excess dough hanging over the edges.
Pour Custard Filling into crust and fold excess crust over edges of Filling.

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle
Cool completely, about 2 hours.
Dust with powdered sugar before serving, if desired.

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle

Credit:Robby Lozano; Food Stylist: Margaret Dickey; Prop Stylist: Josh Hoggle