The Apple Crumble Skillet is a single-pan dessert featuring baked apples in cinnamon syrup topped with a buttery oat crumb. Perfect for fall feasts, this dessert combines crispy caramelized topping with tender fruit for warm, comforting flavors.
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Prep Time |
20 minutes |
|---|---|
|
Cook Time |
45 minutes |
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Total Time |
1 hour 5 minutes |
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Servings |
8 |
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Difficulty |
Easy |
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Cuisine |
American |
Why This Recipe Works
I developed this Apple Crumble Skillet to simplify classic crumble without compromising flavor. The single-skillet method reduces cleanup, while cast iron ensures even caramelization. Using two oat types creates texture contrast, and cold butter generates crispy crumbs. The balance of tart apples and sweet topping makes it universally appealing.
For busy weeknights, prepping components ahead saves time. The recipe retains freshness when cooled slightly before serving, enhancing sugar crystal formation. This version uses less butter than traditional crumbles while maintaining structural integrity through the flour-oat matrix.
Ingredients
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Ingredient |
Quantity |
Notes |
|---|---|---|
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Granny Smith apples |
6 cups |
Keep skin on for texture; substitute Honeycrisp for softer apples |
|
Granulated sugar |
1/3 cup |
Adjust for tart apples; try coconut sugar for brown sugar flavor |
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All-purpose flour |
2 tbsp |
Use 1/4 cup for gluten-free; let sit 5 mins after mixing |
|
Ground cinnamon |
1 tsp |
Smoked cinnamon adds depth; reduce to 3/4 tsp if using |
|
Nutmeg |
1/4 tsp |
Optional; enhances apple flavor |
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Sea salt |
1/4 tsp |
Use flaky salt on top before baking |
|
Old-fashioned oats |
3/4 cup |
Keep crisp; avoid quick oats which become gummy |
|
Unsalted butter |
1/2 cup (cold) |
Use margarine for dairy-free; vegan butter may over-brown |
|
Maple syrup |
1/4 cup |
Grade B provides richest flavor; reduce to 2 tbsp if using |
|
Vanilla extract |
1/2 tsp |
Optional; adds aromatic complexity |
Step-by-Step Instructions
Prepare Baking Surface
Preheat oven to 375°F (190°C). Lightly grease 10-inch cast iron skillet with butter or olive oil.
Make Apple Filling
In mixing bowl, combine sliced apples, granulated sugar, 1 tbsp flour, cinnamon, nutmeg, and salt. Toss until apples are evenly coated (4-5 minutes). Arrange in single layer in skillet.
Add Flavor Enhancers
Distribute cold butter cubes evenly over apples. This creates natural pockets for caramelization. No need to melt butter at this stage.
Create Crumb Topping
In separate bowl, combine both oats, remaining 1 tbsp flour, maple syrup, and vanilla. Work in cold butter using fingertips until texture resembles course sand (about 3 minutes). Avoid overmixing.
Bake and Monitor
Sprinkle topping over apples. Bake 40-45 minutes rotating skillet halfway. Topping should be golden and bubbling. Underbaked center is better than overbaked dryness.
Final Cooling
Let rest in pan 10 minutes to allow filling to set. Transfer to serving platter and serve warm with optional vanilla ice cream.
Chef Tips for Perfect Results
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Use combination of old-fashioned and quick oats for layered texture
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Chill topping mixture 15 minutes before baking prevents slumping
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Tap skillet on counter 3 times after filling to remove air bubbles
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Test for doneness by tilting skillet – filling should remain runny not syrupy
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For extra crisp topping, bake uncovered 5 minutes after resting
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Use browned butter (nuts-exception) for nutty chocolate aroma
Common Mistakes to Avoid
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Overmixing topping – Creates dense bricks not crumbs. Use gentle pressing motions with fingers
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Skipping apple tartar – Sugar needs 15 minutes baking to caramelize before topping is added
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Using hot butter – Cold butter creates steam during baking essential for crispness
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Oversubstituting flour – Gluten-free flours absorb more moisture. Add 1 tbsp more liquid if needed
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Serving immediately
Print A single-skillet autumn dessert featuring tender spiced apples and crisp oat topping. Cold butter and cast iron baking create optimal caramelization, with a balanced mix of tart and sweet flavors. 6 cups Granny Smith apples (keep skin on) Preheat oven to 375°F (190°C). Lightly grease 10-inch cast iron skillet Substitute 1/4 cup maple syrup for 3/4 cup coconut sugar if preferred
Apple Crumble Skillet
Description
Ingredients
1/3 cup granulated sugar
2 tbsp all-purpose flour
1 tsp ground cinnamon
1/4 tsp nutmeg (optional)
1/4 tsp sea salt
3/4 cup old-fashioned oats
1/2 cup cold unsalted butter (or dairy-free alternative)
1/4 cup maple syrup
Instructions
Combine sliced apples, sugar, 1 tbsp flour, cinnamon, nutmeg, and salt in bowl; toss 4-5 minutes
Arrange apple mixture in single layer in skillet
Distribute cold butter in small cubes over apple filling
In separate bowl, combine oats, remaining 1 tbsp flour, and maple syrup until crumbly
Sprinkle oat mixture evenly over apples
Bake 45 minutes until golden and bubblingNotes
Use 1/4 cup rolled oats for gluten-free version
Top with flaky sea salt before baking for extra crunch
Chill topping mixture 10-15 minutes for crisper texture
Let cool slightly before serving to develop perfect sugar crystals





