Slow Cooker Spiced Apple and Oat Breakfast Cobbler

Name: Slow Cooker Spiced Apple and Oat Breakfast Cobbler
Prep time: 15 min
Total time: 15 min
Yield: 6 servings
Cuisine: American
Ingredients: 6 medium (900 g) Granny Smith apples, peeled and thinly sliced (¼ inch), peeled and thinly sliced (¼ inch thick); ½ cup (110 g) packed light brown sugar; 1½ teaspoon (4 g) ground cinnamon; ¼ teaspoon (½ g) ground nutmeg; ⅛ teaspoon (½ g) fine sea salt; 1 tablespoon (15 ml) fresh lemon juice; 1½ cups (135 g) old-fashioned rolled oats; ½ cup (60 g) all-purpose flour; ⅓ cup (70 g) packed light brown sugar; ¾ teaspoon (2 g) ground cinnamon; ⅛ teaspoon (½ g) fine sea salt; 4 tablespoons (57 g) unsalted butter, cold, cold, cut into ½-inch cubes; ½ teaspoon (2½ ml) vanilla extract (optional); ⅓ cup (40 g) chopped toasted pecans, lightly toasted, chopped (optional)

From the MyKitchenBank Kitchen

A comforting breakfast cobbler made in the slow cooker with tender spiced apples and a buttery oat topping. Perfect for make-ahead mornings—start it the night before and wake up to a warm, cinnamon-sweet breakfast that tastes like apple pie meets oatmeal.

Prep: 15 min
Cook: —
Wait: 4 hr
Total: 4 hr 15 min
Makes: 6 servings (about 1 cup each)

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Ingredients

6 servings

Apple base
6 medium (900 g) Granny Smith apples, peeled and thinly sliced (¼ inch), peeled and thinly sliced (¼ inch thick)
½ cup (110 g) packed light brown sugar
1½ teaspoon (4 g) ground cinnamon
¼ teaspoon (0.5 g) ground nutmeg
⅛ teaspoon (0.5 g) fine sea salt
1 tablespoon (15 ml) fresh lemon juice
Oat topping
1½ cups (135 g) old-fashioned rolled oats
½ cup (60 g) all-purpose flour
⅓ cup (70 g) packed light brown sugar
¾ teaspoon (2 g) ground cinnamon
⅛ teaspoon (0.5 g) fine sea salt
4 tablespoons (57 g) unsalted butter, cold, cold, cut into ½-inch cubes
½ teaspoon (2.5 ml) vanilla extract (optional)
⅓ cup (40 g) chopped toasted pecans, lightly toasted, chopped (optional)

Equipment (6)

6-quart (5.7 L) slow cooker
Large mixing bowl
Medium mixing bowl
Chef's knife
Wooden spoon
Measuring cups and spoons

Steps

Before you start

Peel and slice apples just before assembling—this prevents browning
Grease your slow cooker insert or line with parchment paper for easy cleanup
Have all dry ingredients measured and mixed ahead of time

1
Prep the apples
- Peel, core, and thinly slice the Granny Smith apples to about ¼ inch thick.
- Place them in a large bowl as you work to prevent browning.
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Ready when: Apples are evenly sliced and ready to season
Tip: Slice apples immediately before assembling to minimize oxidation and browning
2
Season the apple filling
- Add the brown sugar, cinnamon, nutmeg, salt, and lemon juice to the bowl with the apples.
- Gently toss until the apples are evenly coated and the sugar begins to dissolve.
- Let sit for 2 minutes to allow the juices to begin releasing.
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Ready when: Apples are coated evenly and liquid pools at the bottom
Tip: Do not over-mix—you want the apples to stay intact, not break down
3
Make the oat topping
- In a medium bowl, whisk together the rolled oats, flour, brown sugar, cinnamon, and salt.
- Add the cold butter cubes and vanilla extract (if using).
- Using your fingers or a pastry cutter, work the butter into the oat mixture until it resembles coarse breadcrumbs with some pea-sized pieces of butter visible.
- Fold in the pecans (if using).
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Ready when: Mixture is crumbly with pea-sized butter pieces and no large clumps
Tip: Keep butter cold so the topping bakes crispy instead of dense; work quickly
4
Assemble in slow cooker
- Grease or line the slow cooker insert with parchment paper.
- Pour the seasoned apples and all their juices into the slow cooker, spreading evenly.
- Sprinkle the oat topping over the apples in an even layer, breaking up any clumps gently with your fingers.
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Ready when: Apples spread evenly on bottom, topping covers them in an even layer
Tip: Do not press down the topping—let it sit loosely so steam can circulate underneath
5
Cook on low
- Cover the slow cooker and set to low.
- Cook for 3.5 to 4 hours.
- The cobbler is ready when the apples are very tender (a fork pierces them easily) and the filling is bubbling gently around the edges.
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Ready when: Apples are fork-tender, edges are bubbling, topping is set and lightly golden
Tip: Do not remove the lid to peek until at least 3 hours have passed—this lets condensation drip back into the cobbler
6
Cool and serve
- Turn off the slow cooker and let the cobbler rest for 10 to 15 minutes (the residual heat keeps it warm).
- Serve warm, straight from the slow cooker, into bowls.
- Top with yogurt, a drizzle of maple syrup, or a dollop of whipped cream if desired.
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Ready when: Topping is firm and slightly golden, filling is warm but no longer actively bubbling
Tip: Serve within 30 minutes for the best texture; after longer standing, the topping can soften if condensation drips onto it

Good to know

Tips

For a richer topping, add 2 tablespoons of unsweetened shredded coconut along with the pecans
If your slow cooker runs hot, check the cobbler at the 3-hour mark; some models cook faster and the apples may be tender earlier
This cobbler also works beautifully as a dessert—serve warm with vanilla ice cream or whipped cream, and consider adding ¼ teaspoon of cardamom to the apple filling for extra warmth
Line the slow cooker with parchment paper for easy cleanup: the oat topping can stick to the ceramic insert

Make ahead

Assemble the entire cobbler in the slow cooker insert up to 12 hours ahead. Cover and refrigerate the insert. In the morning, place the cold insert into the slow cooker base, cover, and cook on low for 4 to 4.5 hours (add about 30 minutes since it starts cold).

Storage & reheating

Room temperature: up to 2 hours (eat within 1 hour for best texture). Refrigerator: cover and store for up to 3 days. Reheat gently on low in the slow cooker for 30 to 45 minutes with the lid on, stirring once halfway through. Freezer: not recommended, as the oat topping can become soggy upon thawing.

Substitutions

Granny Smith apples, peeled and thinly sliced (¼ inch) → Honeycrisp, Fujis, or Braeburns (equal weight). Sweeter varieties require reducing brown sugar by 2 tablespoons; avoid Reds or Galas as they break down quickly and turn mushy
old-fashioned rolled oats → Steel-cut oats (increase to 1.75 cups / 150 g). Steel-cut oats stay firmer and chewier; they will take the same cooking time but won't absorb as much moisture
unsalted butter, cold → Coconut oil (4 tablespoons / 57 g, cold). Dairy-free option; the topping will be slightly less rich but still crispy and tender
chopped toasted pecans → Walnuts or sliced almonds (equal amount). Optional but recommended; adds pleasant crunch and nuttiness to balance the soft filling