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Crock Pot Apple Crisp

Crock Pot apple crisp with a tender cinnamon apple filling and a clump-y oat crumble topping that sets on Low. It’s finished with an optional quick broil for extra crisp edges, then served warm with vanilla ice cream.
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Prep Time 15 minutes
Cook Time 3 hours
Total Time 3 hours 15 minutes
Servings: 8 servings
Course: Dessert
Cuisine: American
Calories: 430
Ingredients Equipment Method Notes

Ingredients
  

Apple filling
  • 6 large apples Peeled and sliced.
  • 0.25 cup granulated sugar
  • 2 tbsp brown sugar
  • 2 tsp ground cinnamon
  • 0.25 tsp ground nutmeg
  • 1 tbsp lemon juice
Oat topping
  • 1.5 cup rolled oats
  • 1 cup all-purpose flour
  • 0.75 cup brown sugar Packed.
  • 1 tsp ground cinnamon
  • 0.25 tsp salt
  • 0.5 cup unsalted butter Melted.
  • 1 vanilla ice cream For serving.

Equipment

  • 1 slow cooker (crock pot)
  • 1 oven-safe dish

Method
 

Make the apple filling
  1. Toss the sliced apples with granulated sugar, brown sugar, cinnamon, nutmeg, and lemon juice, then place them in the slow cooker.
  2. Lay a double layer of paper towels under the lid to absorb excess moisture.
Make and add the oat topping
  1. Combine rolled oats, all-purpose flour, packed brown sugar, cinnamon, and salt, then drizzle in melted butter and stir until the mixture forms clumps.
  2. Scatter the oat topping over the apples in the slow cooker and do not stir.
Cook and optionally crisp the top
  1. Cook on Low for 2.5-3 hours until the apples are tender and the topping is set.
  2. For a crispier topping, transfer to an oven-safe dish and broil for 3-4 minutes.
Serve
  1. Serve the apple crisp warm with vanilla ice cream.

Notes

For the best set, keep the lid on during the 2.5-3 hours on Low—lifting it can release steam and soften the crumble. Refrigerate leftovers in a covered container up to 4 days; reheat in short microwave bursts or a 300°F (150°C) oven until warmed. Freezing is not recommended because the topping texture softens after thawing. For a lighter option, swap half the butter in the topping with an equal amount of unsweetened applesauce (texture will be slightly less crisp).