Butterscotch Pecan Slab Pie

Butterscotch Pecan Slab Pie is a medium American recipe that serves 12. 350 calories per serving. Recipe by Claire Saffitz x Dessert Person on YouTube.

Prep: 40 min | Cook: 1 hr 5 min | Total: 2 hrs 5 min

Cost: $19.75 total, $1.65 per serving

Ingredients

  • 1 pound Pecans, halved (Toast until fragrant)
  • 6 tablespoons Unsalted butter (Cut into pieces for the butterscotch mixture)
  • 1 cup Demerara sugar (Can substitute dark brown sugar)
  • 1 cup Heavy cream (35% fat) (Divided: ½ cup for the hot mixture, ½ cup added after)
  • 2.5 tablespoons Light corn syrup (Adds shine and prevents crystallization)
  • 4 Large eggs (Temper with hot mixture to avoid curdling)
  • 1 tablespoon Pure vanilla extract
  • 1 teaspoon Kosher salt (If using regular table salt, use ½ tsp)
  • 1 tablespoon Unsweetened cocoa powder (Adds color and subtle depth)
  • 1 teaspoon Instant coffee granules (Provides bitterness without coffee flavor)
  • 1 sheet Shortcrust pastry dough (pre‑made) (Enough to line a 9×13" slab pan; keep cold until used)
  • 1 cup Dried beans or rice (pie weights) (Use to keep crust flat during blind bake)
  • 1 sheet Heavy‑duty aluminum foil (Liners for blind baking)

Instructions

  1. Toast pecans

    Preheat oven to 350°F. Spread 1 lb pecan halves in a single layer on a baking sheet and toast for 10 minutes, stirring once halfway through.

    Time: PT10M

    Temperature: 350°F

  2. Roll out crust

    On a lightly floured surface, roll the pre‑made shortcrust dough to a rectangle slightly larger than the 9×13" slab. Trim excess, then chill on a sheet of parchment for 5 minutes.

    Time: PT15M

  3. Freeze crust

    Place the rolled crust in the baking slab, gently press into the bottom and up the sides, then transfer the slab to the freezer for 5 minutes to firm the layers.

    Time: PT5M

  4. Blind‑bake crust (high heat)

    Increase oven to 400°F. Line the chilled crust with heavy‑duty foil, fill with pie weights, and bake for 20 minutes until the edges turn golden.

    Time: PT20M

    Temperature: 400°F

  5. Blind‑bake crust (low heat)

    Remove foil and weights, lower oven temperature to 300°F, and bake an additional 15 minutes until the bottom looks dry and lightly golden.

    Time: PT15M

    Temperature: 300°F

  6. Prepare butterscotch base

    In a medium saucepan over medium heat, combine 1 cup demerara sugar, 6 Tbsp butter, and 2.5 Tbsp light corn syrup. Stir until sugar dissolves, then bring to a gentle boil. Cook, stirring occasionally, until the mixture turns a medium‑gold honey color (about 7 minutes).

    Time: PT7M

  7. Finish hot mixture

    Remove the saucepan from heat, stir in the remaining ½ cup heavy cream. The mixture will sputter—use caution.

    Time: PT3M

  8. Temper eggs

    In a separate mixing bowl, whisk 4 large eggs. Slowly drizzle about ¼ cup of the hot butterscotch mixture into the eggs while whisking constantly, then whisk the tempered egg mixture back into the saucepan.

    Time: PT5M

  9. Flavor the custard

    Stir in 1 Tbsp vanilla extract, 1 tsp kosher salt, 1 Tbsp cocoa powder, and 1 tsp instant coffee granules. Whisk until fully incorporated and the mixture is smooth.

    Time: PT3M

  10. Assemble pie

    Evenly scatter the toasted pecans over the pre‑baked crust. Pour the custard filling over the nuts, stopping just below the rim (about ¾ of the filling volume). Smooth the top with a spatula.

    Time: PT5M

  11. Bake filled pie

    Return the slab to the oven set at 300°F and bake for 20 minutes, or until the custard is puffed, lightly browned, and a knife inserted near the edge comes out clean.

    Time: PT20M

    Temperature: 300°F

  12. Cool and serve

    Remove the pie from the oven and let it cool on a wire rack for at least 30 minutes before slicing into squares.

    Time: PT30M

Nutrition Facts

Calories
350
Protein
4 g
Carbohydrates
32 g
Fat
22 g
Fiber
3 g

Dietary info: Vegetarian, Contains gluten

Allergens: Tree nuts, Dairy, Eggs, Gluten

Last updated: March 19, 2026

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Butterscotch Pecan Slab Pie

Recipe by Claire Saffitz x Dessert Person

A thin, rectangular Thanksgiving slab pie that packs the classic pecan topping with a buttery butterscotch custard filling. The crust is crisp, the filling is caramel‑buttery with a hint of cocoa and coffee, and the toasted pecans stay crunchy. Made in a Made In 9×13 porcelain baking slab for even heating and easy serving.

MediumAmericanServes 12

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
1h 11m
Prep
1h 7m
Cook
17m
Cleanup
2h 35m
Total

Cost Breakdown

$19.75
Total cost
$1.65
Per serving

Critical Success Points

  • Toasting pecans evenly
  • Keeping the crust cold before blind‑baking
  • Blind‑baking at high heat then lowering temperature
  • Tempering the eggs into the hot butterscotch mixture
  • Ensuring the custard is puffed and set before removing from oven

Safety Warnings

  • Hot sugar and butter can cause severe burns; handle the saucepan with oven mitts.
  • Steam released when adding cream may splatter; stand back.

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