Cinnamon Caramel Apple Crumble With Oat Topping

Quick Recipe Version (TL;DR)

• Yield: 8 servings
• Prep Time: 25 minutes
• Cook Time: 40 minutes
• Total Time: 1 hour 5 minutes

Quick Ingredients

• 6 medium baking apples, peeled, cored, and sliced (about 6 cups)
• 2 tbsp lemon juice
• 1/3 cup packed light brown sugar + 2 tbsp granulated sugar (for apples)
• 3 tbsp all-purpose flour (2 tbsp for apples, 1 tbsp for caramel)
• 1 3/4 tsp ground cinnamon, 1/4 tsp ground nutmeg, 1 tsp vanilla, pinch salt
• 1 cup old-fashioned rolled oats
• 3/4 cup all-purpose flour (for crumble)
• 3/4 cup sugar for crumble (1/2 cup brown, 1/4 cup white)
• 1/2 cup cold unsalted butter (1 stick), plus 4 tbsp for caramel
• 1 cup granulated sugar, 1/4 cup water, 1/2 cup heavy cream, 1/2 tsp salt
• Optional: 1/2 cup chopped pecans or walnuts, vanilla ice cream for serving

Do This

• 1. Preheat oven to 350°F (175°C). Butter a 9×9-inch (23 cm) baking dish.
• 2. Toss sliced apples with lemon juice, sugars, 2 tbsp flour, 1 tsp cinnamon, nutmeg, salt, and vanilla. Spread in dish.
• 3. In a bowl, combine oats, 3/4 cup flour, remaining sugars, 3/4 tsp cinnamon, and salt. Cut in 1/2 cup cold butter until crumbly; stir in nuts if using.
• 4. Evenly sprinkle crumble over apples, squeezing some into larger clumps.
• 5. Bake 35–40 minutes until topping is deep golden and apples bubble at edges.
• 6. While it bakes, cook 1 cup sugar with 1/4 cup water until amber, then whisk in 4 tbsp butter, 1 tbsp flour, cream, salt, and vanilla for caramel.
• 7. Cool crumble 10–15 minutes, drizzle with warm caramel, and serve with vanilla ice cream.

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Why You’ll Love This Recipe

• Classic fall flavors: tender cinnamon-spiced apples, buttery oat crumble, and warm caramel all in one bite.
• Uses simple pantry ingredients and basic techniques, perfect for home cooks.
• Flexible and forgiving: works with different apple varieties and can be made ahead.
• Equally welcome as a cozy family dessert or a dinner-party showstopper with ice cream and extra caramel.

Grocery List

• Produce: 6 medium baking apples (Granny Smith, Honeycrisp, or similar), 1 lemon
• Dairy: Unsalted butter, heavy cream, optional vanilla ice cream
• Pantry: Granulated sugar, light brown sugar, old-fashioned rolled oats, all-purpose flour, ground cinnamon, ground nutmeg, vanilla extract, fine sea salt, water, optional chopped pecans or walnuts

Full Ingredients

For the Cinnamon Apple Filling

• 6 medium firm baking apples (such as Granny Smith, Honeycrisp, Braeburn, or a mix), peeled, cored, and sliced 1/4-inch thick (about 6 cups / 750–800 g)
• 2 tbsp fresh lemon juice
• 1/3 cup packed light brown sugar (70 g)
• 2 tbsp granulated sugar (25 g)
• 2 tbsp all-purpose flour (about 15 g)
• 1 tsp ground cinnamon
• 1/4 tsp ground nutmeg
• 1/4 tsp fine sea salt
• 1 tsp pure vanilla extract

For the Buttery Oat Crumble Topping

• 1 cup old-fashioned rolled oats (not quick oats) (90 g)
• 3/4 cup all-purpose flour (90 g)
• 1/2 cup packed light brown sugar (100 g)
• 1/4 cup granulated sugar (50 g)
• 3/4 tsp ground cinnamon
• 1/4 tsp fine sea salt
• 1/2 cup unsalted butter, cold and cut into small cubes (1 stick / 113 g)
• Optional: 1/2 cup chopped pecans or walnuts (about 60 g), lightly toasted if you like

For the Salted Caramel Drizzle

• 1 cup granulated sugar (200 g)
• 1/4 cup water (60 ml)
• 4 tbsp unsalted butter, cut into pieces and at room temperature (56 g)
• 1 tbsp all-purpose flour (about 8 g; helps slightly thicken the caramel for drizzling)
• 1/2 cup heavy cream, at room temperature (120 ml)
• 1/2 tsp fine sea salt (or to taste, for a salted caramel flavor)
• 1 tsp pure vanilla extract

To Serve (Optional)

• Vanilla ice cream or whipped cream
• Extra caramel sauce for passing at the table

Step-by-Step Instructions

Step 1: Preheat the oven and prep your baking dish

Preheat your oven to 350°F (175°C) with a rack in the center. Lightly butter a 9×9-inch (23 cm) baking dish or a similar 2-quart baking dish. You can also use a deep pie dish or a 10-inch oven-safe skillet. Greasing the dish helps prevent sticking and makes serving much easier later.

Step 2: Prepare and season the apples

Peel, core, and slice the apples into 1/4-inch thick slices. Try to keep the slices roughly the same thickness so they cook evenly. You should end up with about 6 cups of sliced apples. Place them in a large mixing bowl and immediately toss with the lemon juice to prevent browning.

Add the brown sugar, granulated sugar, 2 tbsp flour, cinnamon, nutmeg, salt, and vanilla to the bowl. Toss well until every slice is coated and the mixture looks glossy and evenly spiced. The flour will help thicken the juices as the apples bake, creating a lightly saucy filling instead of a watery one. Spread the apple mixture evenly in the prepared baking dish, scraping any juices from the bowl over the top.

Step 3: Make the oat crumble topping

In a medium bowl, combine the oats, 3/4 cup flour, brown sugar, granulated sugar, cinnamon, and salt. Stir with a fork or your fingers to break up any sugar clumps and distribute everything evenly.

Add the cold cubed butter. Using a pastry cutter, two knives, or your fingertips, cut the butter into the dry ingredients until the mixture looks like coarse crumbs with some pea-sized bits of butter remaining. Try not to overwork it; those little butter pockets are what make the topping crisp and buttery. If using nuts, stir them in now. Gently squeeze some of the mixture in your hand to form larger clumps for extra texture.

Step 4: Assemble the crumble

Sprinkle the oat crumble evenly over the apples in the baking dish. Aim to cover the apples completely, but do not press the topping down firmly; you want it to stay loose and craggy so it bakes up crunchy. If you formed some larger clumps, scatter them over the top for a rustic, bumpy surface.

Place the baking dish on a parchment-lined baking sheet to catch any caramelized juices that might bubble over in the oven. This makes cleanup much easier.

Step 5: Bake until golden and bubbling

Bake the crumble at 350°F (175°C) for 35–40 minutes. The topping should be a deep golden brown and crisp, and you should see the apple juices bubbling up around the edges. If the topping is browning too quickly before the apples are tender, loosely tent the dish with foil for the last 10 minutes.

To check doneness, insert a knife or skewer into the center; the apples should feel tender but not mushy. When it is ready, remove the baking dish from the oven and set it on a cooling rack. Let it rest for at least 10–15 minutes so the juices thicken slightly and the crumble sets.

Step 6: Cook the salted caramel sauce

While the crumble bakes (or shortly after it comes out of the oven), make the caramel. In a medium, heavy-bottomed saucepan, combine the sugar and water. Stir just to moisten the sugar, then stop stirring. Set the pan over medium heat and cook, without stirring, until the mixture turns a deep amber color, 8–10 minutes. If needed, gently swirl the pan occasionally to help it brown evenly.

Once the sugar is a rich amber (like dark honey), immediately remove the pan from the heat. Carefully whisk in the room-temperature butter pieces and 1 tbsp flour. The mixture will bubble vigorously, so keep your hands and face back. Slowly pour in the heavy cream while whisking constantly; the caramel will bubble again and then smooth out. Stir in the salt and vanilla. If any lumps remain, place the pan back over low heat and whisk until smooth. Let the caramel cool for 5–10 minutes; it will thicken as it cools to a pourable, glossy sauce.

Step 7: Rest, drizzle, and serve

Once the crumble has rested slightly and the caramel has thickened, it is time to serve. Drizzle a generous amount of warm salted caramel over the top of the crumble, letting it pool in the nooks and crannies of the oat topping. For a dramatic presentation, reserve some caramel to drizzle over each individual serving.

Scoop the warm caramel apple crumble into bowls. Add a scoop of vanilla ice cream or a spoonful of whipped cream on top, if you like, and finish with a final thread of caramel sauce. Serve warm for the best contrast of textures: tender apples, crisp buttery oats, and silky caramel.

Pro Tips

• Use a mix of apples: Combining tart and sweet apples (for example, Granny Smith and Honeycrisp) gives more complex flavor and better texture.
• Keep the butter cold: Cold butter is key for a crisp crumble. If your kitchen is warm, chill the topping mixture for 10 minutes before baking.
• Watch the caramel closely: Sugar goes from perfect amber to burnt very quickly. Once it starts to color, stay by the stove and swirl the pan rather than walking away.
• Room-temperature cream for caramel: Cold cream can cause the caramel to seize. If your cream is cold, warm it slightly in the microwave before adding.
• Make it ahead-friendly: Prepare the crumble topping and keep it chilled in an airtight container for up to 2 days. Assemble and bake when you are ready to serve.

Variations

• Skillet caramel apple crumble: Assemble and bake the crumble in a 10-inch cast iron skillet for a rustic presentation. You can even bring the skillet straight to the table (on a trivet) for serving.
• Caramel-pecan version: Stir 1/2 cup chopped toasted pecans into the crumble topping and drizzle extra caramel over each portion, then sprinkle with a few more chopped nuts.
• Individual crumbles: Divide the apples and topping among 6–8 ramekins. Bake 20–25 minutes, until bubbling and golden. Serve each with its own drizzle of caramel and scoop of ice cream.

Storage & Make-Ahead

Store leftover caramel apple crumble covered in the refrigerator for up to 3 days. Reheat individual portions in the microwave for 30–45 seconds or in a 325°F (165°C) oven for 10–15 minutes until warmed through and the topping re-crisps. The caramel sauce can be stored in an airtight jar in the refrigerator for up to 2 weeks. Rewarm gently in the microwave or in a small saucepan over low heat, stirring often, until pourable.

For make-ahead prep, you can assemble the apple filling and crumble topping separately up to 1 day in advance. Store the apples (already mixed with sugar and spices) in an airtight container in the refrigerator, and the crumble topping in a separate container. When ready to bake, transfer the apples to the dish, scatter on the topping, and bake as directed. The baked crumble also freezes well for up to 2 months; thaw overnight in the refrigerator and reheat in a 325°F (165°C) oven until hot and bubbly.

Nutrition (per serving)

Approximate values per serving (1/8 of the recipe, including caramel but excluding ice cream): about 450 calories; 18 g fat; 10 g saturated fat; 70 g carbohydrates; 4 g fiber; 48 g sugars; 4 g protein; 210 mg sodium. These numbers are estimates and will vary based on the specific ingredients and brands you use.