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Warm Chayote Squash “Apple” Crumble (Keto-Friendly)

Recipe by Ailene

This clever keto-friendly dessert delivers all the cozy, spiced flavors of a traditional fall treat with a fraction of the carbs. Tender chayote squash mimics apples perfectly when baked under a buttery, toasted pecan topping.

  • Total Time60 minutes
  • Yield1 small baking dish 1x

Ingredients

Scale

For the “Apple” Filling

  • 300g (about 1 large) chayote squash, peeled, cored, and diced into 1/2-inch cubes
  • 2 tablespoons golden erythritol or monk fruit sweetener
  • 1 tablespoon fresh lemon juice
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon apple extract
  • 1/4 teaspoon freshly ground nutmeg
  • 1/8 teaspoon ground allspice
  • 2 tablespoons unsalted butter, melted

For the Pecan Crumble

Instructions

  1. Prepare the filling: Preheat your oven to 350°F. In a medium baking dish, combine the diced chayote, 2 tablespoons golden erythritol, lemon juice, 1/2 teaspoon cinnamon, apple extract, nutmeg, allspice, and melted butter. Toss until the squash is evenly coated, then spread it out into a flat layer and set aside to let the flavors meld.
  2. Toast the almond flour: Place the almond flour in a small, dry skillet over medium heat. Toast for 2 to 4 minutes, stirring constantly, until it smells deeply nutty and turns a light golden brown—it can burn quickly, so keep a close eye on it. Remove from heat and let it cool slightly.
  3. Combine the dry crumble ingredients: In a mixing bowl, whisk together the toasted almond flour, coconut flour, 1 1/2 tablespoons erythritol, 1/4 teaspoon cinnamon, and kosher salt until evenly combined.
  4. Work in the butter and nuts: Add the cold, diced butter and vanilla extract to the dry mixture. Using your fingertips, rub the butter into the flours for 1 to 2 minutes until the mixture resembles coarse, wet sand and clumps together easily. Fold in the chopped pecans.
  5. Assemble and bake: Sprinkle the crumble mixture evenly over the prepared chayote filling. Bake in the preheated oven for 25 to 27 minutes, covering the dish loosely with foil after 10 minutes to prevent the nuts from burning. You’ll know it’s done when the filling bubbles at the edges and a fork pierces the squash with zero resistance.
  6. Cool before serving: Let the crumble rest at room temperature for at least 15 minutes before serving. This allows the juices to thicken slightly and the spices to fully develop.

Notes

Why It Works

  • Toasting the almond flour before baking eliminates its raw flavor and deepens the overall nuttiness of the topping.
  • Chayote squash has a remarkably neutral, slightly sweet profile that readily absorbs the apple extract and warm fall spices.
  • The acid from the fresh lemon juice balances the erythritol, cutting through any potential cooling aftertaste.

Common Pitfalls to Avoid

  • Skipping the foil: Pecans and almond flour scorch easily. If left uncovered past 10 minutes, the top will taste bitter.
  • Cutting the squash too thick: Keep the chayote cubes uniform and small (about 1/2-inch) so they tenderize fully within the baking window.

Variations

  • Add a small handful of low-carb dried cranberries to the filling for a tart, festive twist.
  • Swap the pecans for chopped walnuts or sliced almonds based on your pantry stock.

Allergy Alert

This recipe contains tree nuts (almonds, pecans, coconut) and dairy (butter). Substitute as needed.

Nutrition (per serving — estimates)

Calories: 365 | Total Carbs: 13g (Fiber: 7g, Sugar: 3g) | Net Carbs: 6g | Fat: 34g (Saturated: 14g) | Protein: 6g | Sodium: 240mg | Potassium: 330mg

Nutritional values are approximate, based on standard reference data (USDA FoodData Central). Actual values vary by brand and exact measurements. For precision, use a tracker like MyFitnessPal or Cronometer.

  • Prep Time: 15 minutes
  • Resting Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1/2 of dish
  • Calories: 365
  • Sugar: 3g
  • Sodium: 240mg
  • Fat: 34g
  • Saturated Fat: 14g
  • Carbohydrates: 13g
  • Fiber: 7g
  • Protein: 6g

Find it online: https://foodtrackergirl.com/2019/12/22/apple-crisp/