Slow Cooker Apple Cinnamon Oat Crumble Tips, FAQ & printable recipe

Tips for success

For a deeper flavor profile, consider adding a pinch of salt to the oats before topping the apples, as this enhances the natural sweetness of the fruit and the richness of the butter. If you prefer a bit more texture, you can mix in a handful of chopped walnuts or pecans with the oats, which adds a pleasant crunch that complements the softness of the cooked apples.

When serving, consider the temperature of the crumble. It is best enjoyed warm, which allows the buttery topping to contrast with the tender, spiced fruit.

If you have leftovers, you can gently reheat them in the oven or microwave to restore the original warmth and texture. Avoid stirring the crumble once it is cooked, as this will break up the topping and change the intended presentation.

Variations

• Spiced Pear Crumble: Substitute the apples with peeled and diced ripe pears. The pears have a softer texture and a delicate sweetness that pairs exceptionally well with the cinnamon and butter topping.
• Mixed Berry Apple Crumble: Add one cup of fresh or frozen mixed berries to the apple base. The berries add a vibrant color and a tart contrast that balances the sweetness of the apples.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 3 days.

Freezer

Not recommended, as the texture of the fruit and topping may become mushy upon thawing.

Reheat

Reheat individual portions in the microwave for 30-60 seconds or in a 300°F oven until warmed through.

Allow any leftovers to cool completely at room temperature, but do not leave them out for more than two hours. Once cooled, transfer the crumble to an airtight container to maintain freshness.

Keep the container in the refrigerator, where it will remain good for up to three days. When ready to eat again, ensure the portion is heated thoroughly until it is steaming hot throughout before serving.

You can prepare the apple base and the oat topping ahead of time, but store them in separate containers in the refrigerator. Assemble the layers in the slow cooker just before you are ready to start the cooking process.

This prevents the oats from absorbing too much moisture from the raw apples, which helps maintain the desired texture of the topping once it has finished cooking.

Serving ideas

Serve the warm crumble directly from the slow cooker into individual bowls. Use a large spoon to ensure each serving includes a generous portion of both the tender fruit base and the golden, buttery oat topping. The contrast between the soft apples and the slightly crisp oats is the highlight of the dish, so try to keep the layers intact as you scoop.

To elevate the dessert, serve each portion with a small dollop of whipped cream or a scoop of vanilla ice cream. The cold, creamy addition pairs beautifully with the warm, spiced apples and the buttery oat crumble.

Ensure the dessert is served while still warm for the best experience, as the flavors are most pronounced when the temperature is elevated and the aromas are fully released.

Frequently asked questions

Recipe card

Slow Cooker Apple Cinnamon Oat Crumble

Prep 10 minCook 3 hRest 10 minTotal 3 h 20 minServes 4

Ingredients

• 4 cups diced apples, peeled and cored
• 1 cup rolled oats
• 1 tsp ground cinnamon
• 4 tbsp cold butter, cubed

Instructions

1. Place the diced apples into the bottom of the slow cooker insert. Ensure the apples are spread out in an even layer across the base of the insert to promote uniform cooking during the process.
2. Scatter the rolled oats over the layer of apples. Sprinkle the ground cinnamon evenly over the oats to ensure every bite is seasoned. Finally, place the cold butter cubes evenly across the surface of the oat layer.
3. Cover the slow cooker and cook on high for three hours or until the apples are tender and the topping is golden and bubbling. Let the crumble rest for ten minutes before serving warm on plates.

Contains: milk, gluten

Estimated nutrition per serving

Calories

320

Protein

3.5 g

Carbohydrates

45 g

Fat

15 g

Fiber

5 g

Sugar

28 g

Sodium

10 mg

Automatic estimate from the ingredient list, not laboratory-verified.