Reliable skillet recipes from Mara Ellison

Small-Batch Desserts

Mini Cast Iron Apple Crumble with Oat-Pecan Topping

A small-batch cast iron apple crumble with tender stovetop apples and a buttery oat-pecan topping. It bakes in a small skillet for a cozy dessert without a full tray of leftovers.

Mini Cast Iron Apple Crumble with Oat-Pecan Topping

Introduction

A small cast iron skillet is perfect for dessert when you want something warm but do not want a full pan of leftovers. This apple crumble starts on the stovetop so the fruit softens evenly and the juices thicken before the topping goes on. The oat-pecan crumble bakes into a crisp, buttery lid with just enough salt to keep the dessert from tasting flat. It is simple enough for a weeknight and special enough to put right in the center of the table with two spoons.

Why this recipe works

  • A mini cast-iron skillet holds heat well, helping the apples soften into a jammy filling while the topping turns crisp and golden.
  • Cooking the apples in a shallow layer prevents excess liquid from making the crumble soggy, which is especially important in a small-batch dessert.
  • Oats and pecans add texture to the buttery topping, giving each bite a mix of tender fruit, crunch, and toasted nuttiness.

About the ingredients

  • Firm apples such as Honeycrisp, Pink Lady, or Granny Smith hold their shape well and keep the crumble from becoming mushy.
  • Old-fashioned rolled oats give the topping a hearty texture; quick oats can be used in a pinch but will bake up softer.
  • Chopped pecans toast quickly in the cast iron, so keep the pieces fairly even and watch the topping near the end of baking.

Tips

  • Use a firm apple such as Honeycrisp, Pink Lady, Braeburn, or Granny Smith so the filling does not turn mushy.
  • Starting the apples on the stovetop helps a small crumble bake evenly without over-browning the topping.
  • Keep the butter cold for the topping; soft butter makes the crumble heavier.
  • Do not skip the salt in the topping because it balances the brown sugar.
  • Let the crumble rest before serving so the juices thicken instead of running across the plate.

Substitutions

  • Use walnuts or almonds instead of pecans.
  • Use whole wheat flour for a nuttier topping.
  • Swap maple syrup for 1 tablespoon of the brown sugar in the filling, reducing only slightly if your apples are very sweet.
  • Use pears in place of one apple, keeping the slices firm and not too thin.
  • Use a dairy-free baking stick in place of butter if needed.

Serving suggestions

  • Serve warm straight from the skillet with spoons for a casual dessert.
  • Add a scoop of vanilla ice cream for a classic hot-cold contrast.
  • Spoon leftovers over plain yogurt for breakfast.
  • Serve with lightly sweetened whipped cream and a pinch of cinnamon.

Storage & reheating

Storage: Cover cooled crumble and refrigerate for up to 3 days. The topping softens as it sits but still tastes good.

Reheating: Reheat in a 325°F oven or toaster oven for 10 to 12 minutes until warmed through and the topping crisps again. Individual portions can be microwaved, but the topping will be softer.

Mistakes to avoid

  • Using very soft apples that collapse before the topping browns.
  • Packing the topping down tightly, which keeps it from crisping.
  • Skipping the stovetop start, which can leave thicker apple slices undercooked.
  • Serving immediately from the oven before the juices set.
  • Forgetting that the cast iron handle stays hot long after baking.

FAQ

What size skillet should I use?

An 8-inch cast iron skillet is ideal for this small-batch crumble. A 6-inch skillet may overflow, and a 10-inch skillet will spread the apples too thin unless you increase the recipe.

Do I need to peel the apples?

No. Peeling gives a softer filling, but leaving the skins on adds color and texture. If the apple skins are thick or waxy, I prefer peeling them.

Can I make the topping ahead?

Yes. Mix the topping and refrigerate it for up to 2 days. Keep it cold until you scatter it over the hot apples so the butter melts in the oven, not in the bowl.

Recipe card

Mini Cast Iron Apple Crumble with Oat-Pecan Topping

A small-batch cast iron apple crumble with tender stovetop apples and a buttery oat-pecan topping. It bakes in a small skillet for a cozy dessert without a full tray of leftovers.

Mini Cast Iron Apple Crumble with Oat-Pecan Topping
Prep
15 minutes
Cook
25 minutes
Total
40 minutes
Servings
4 small servings

Equipment

  • 8-inch cast iron skillet
  • Mixing bowl
  • Pastry cutter or fork
  • Measuring cups
  • Measuring spoons
  • Chef's knife
  • Cutting board

Ingredients

Apple filling

  • 3 medium apples , peeled if desired, cored and sliced 1/4 inch thick
  • 2 tablespoons brown sugar
  • 1 tablespoon lemon juice
  • 1 teaspoon cornstarch
  • 1/2 teaspoon cinnamon
  • 1 pinch kosher salt
  • 1 tablespoon unsalted butter , for the skillet

Oat-pecan topping

  • 1/3 cup old-fashioned oats
  • 1/4 cup all-purpose flour
  • 1/4 cup pecans , chopped
  • 3 tablespoons brown sugar
  • 1/4 teaspoon cinnamon
  • 1 pinch kosher salt
  • 3 tablespoons cold unsalted butter , cut into small cubes

For serving

  • 1 scoop vanilla ice cream or plain Greek yogurt , optional

Instructions

  1. Heat the oven to 375°F. Place a rack in the center of the oven and set an 8-inch cast iron skillet on the stovetop.
  2. In a mixing bowl, toss the sliced apples with 2 tablespoons brown sugar, lemon juice, cornstarch, 1/2 teaspoon cinnamon, and a pinch of salt. Let the mixture sit for 5 minutes so the apples begin releasing their juices.
  3. In a separate bowl, combine the oats, flour, chopped pecans, 3 tablespoons brown sugar, 1/4 teaspoon cinnamon, and a pinch of salt. Add the cold butter cubes and work them in with your fingers or a fork until the topping forms damp crumbs with a few pea-size pieces of butter.
  4. Melt 1 tablespoon butter in the cast iron skillet over medium heat. Add the apple mixture, including any juices from the bowl, and cook for 5 to 7 minutes, stirring occasionally, until the apples start to soften and the liquid looks glossy.
  5. Spread the apples into an even layer. If the skillet looks dry, add 1 tablespoon water and stir once; the filling should be moist but not soupy.
  6. Scatter the oat-pecan topping evenly over the warm apples. Do not pack it down; a loose topping bakes up crisper.
  7. Transfer the skillet to the oven and bake for 17 to 20 minutes, until the topping is golden brown, the pecans smell toasted, and the apple juices bubble around the edges.
  8. Let the crumble cool for at least 10 minutes before serving. The filling thickens as it rests, and the skillet will stay very hot.
  9. Serve warm with vanilla ice cream, plain Greek yogurt, or nothing at all if you want the apple and pecan flavor to stay front and center.

Notes

  • Use a firm apple such as Honeycrisp, Pink Lady, Braeburn, or Granny Smith so the filling does not turn mushy.
  • Starting the apples on the stovetop helps a small crumble bake evenly without over-browning the topping.
  • Keep the butter cold for the topping; soft butter makes the crumble heavier.
  • Do not skip the salt in the topping because it balances the brown sugar.
  • Let the crumble rest before serving so the juices thicken instead of running across the plate.

Nutrition

Nutrition estimate unavailable.