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Easy Slow Cooker Apple Crisp with Oat Streusel

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This Easy Slow Cooker Apple Crisp with Oat Streusel is a set-it-and-forget-it dessert that delivers jammy apples and a crunchy oat topping. Perfect for fall gatherings or cozy weeknights, it’s comfort food reimagined.

Ingredients

Scale
  • 6–7 medium apples, peeled, cored, and sliced (about 6 cups)
  • 1/4 cup granulated sugar
  • 1/4 cup brown sugar, packed
  • 1 tablespoon lemon juice
  • 2 tablespoons cornstarch
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 1 cup old-fashioned rolled oats
  • 1/2 cup all-purpose flour
  • 1/2 cup brown sugar, packed
  • 1/2 cup unsalted butter, cold and cut into small cubes
  • 1 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 1/2 cup chopped pecans or walnuts (optional)

Instructions

  1. Prep the apples (15 minutes): Peel, core, and slice your apples into 1/4-inch thick slices. Toss with lemon juice immediately to prevent browning.
  2. Make the filling (5 minutes): In a large bowl, whisk together granulated sugar, brown sugar, cornstarch, cinnamon, nutmeg, and salt. Add apple slices and toss until evenly coated. Let sit for 5 minutes.
  3. Toast the oats (5 minutes): Heat a small skillet over medium heat. Add rolled oats and toast, stirring frequently, until fragrant and lightly golden (3-4 minutes). Remove from heat and let cool slightly.
  4. Make the streusel (5 minutes): In a medium bowl, whisk together flour, brown sugar, cinnamon, and salt. Add cold butter cubes. Using a pastry cutter or fingertips, work butter into dry ingredients until mixture resembles coarse crumbs with some pea-sized butter pieces. Stir in toasted oats and nuts if using. Refrigerate.
  5. Layer the filling (5 minutes): Lightly grease the inside of your slow cooker with butter or non-stick spray. Transfer apple mixture (including juices) into the slow cooker and spread into an even layer.
  6. Add the streusel (2 minutes): Sprinkle chilled streusel evenly over the apples. Do not press down.
  7. Cook low and slow: Cover and cook on LOW for 3-4 hours or on HIGH for 2-3 hours, until apples are tender and filling is bubbling around the edges.
  8. Rest before serving (10-15 minutes): Turn off slow cooker, remove lid, and let crisp sit for at least 10 minutes to allow filling to thicken.

Notes

For a gluten-free version, swap all-purpose flour with a 1-to-1 gluten-free baking blend. For a vegan version, use melted coconut oil or vegan butter. To keep streusel crunchy, place a paper towel under the slow cooker lid to absorb condensation. Start checking for doneness at the 2-hour mark on low.

Nutrition

Keywords: apple crisp, slow cooker, oat streusel, fall dessert, easy dessert

Find it online: https://novanosh.com/easy-slow-cooker-apple-crisp-with-oat-streusel/