Moist Apple Crumble Coffee Cake

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Soft, buttery layers of cinnamon-spiced apple filling tucked between tender vanilla cake and a generous crown of golden crumble — Moist Apple Crumble Coffee Cake is everything you crave in a cozy dessert. Each forkful melts in your mouth, with the warmth of apples and the satisfying crunch of the crumble creating an irresistible contrast of textures. Whether you’re serving it for a relaxed weekend brunch or a special afternoon treat, this cake makes every occasion feel extra comforting.

Perfectly balanced between sweet and spiced, the Moist Apple Crumble Coffee Cake pairs beautifully with a cup of coffee or tea. Its moist crumb, fragrant layers, and buttery streusel topping come together in a way that feels both indulgent and homey. The aroma alone will draw everyone into the kitchen — a true celebration of simple, timeless flavors.

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Ingredients for Moist Apple Crumble Coffee Cake

For the Apple Filling:

• 3 cups peeled and diced apples (preferably Granny Smith or Honeycrisp)
• 1/2 cup brown sugar
• 1 teaspoon cinnamon
• 1 tablespoon lemon juice
• 1 tablespoon cornstarch

For the Cake:

• 2 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cup unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup sour cream

For the Crumble Topping:

• 1/2 cup brown sugar
• 1/2 cup granulated sugar
• 1 cup all-purpose flour
• 1 teaspoon cinnamon
• 6 tablespoons unsalted butter, melted

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Step 1: Prepare the Apple Filling

In a medium saucepan over medium heat, combine the diced apples, brown sugar, cinnamon, lemon juice, and cornstarch. Stir constantly until the apples soften slightly and the mixture thickens into a luscious, syrupy consistency — about 5–7 minutes. Remove from heat and allow to cool while you prepare the rest of the cake.

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Step 2: Make the Crumble Topping

In a bowl, whisk together the brown sugar, granulated sugar, flour, and cinnamon. Pour the melted butter over the mixture and stir with a fork until crumbs form. You want a good mix of big and small crumbles for that perfect topping texture.

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Step 3: Prepare the Cake Batter

Preheat your oven to 350°F (175°C). Grease and line a 9×13-inch baking dish with parchment paper.
In a medium bowl, whisk the flour, baking powder, baking soda, and salt.
In a large mixing bowl, cream the softened butter and granulated sugar until light and fluffy. Beat in the eggs one at a time, then mix in the vanilla extract.
Gradually add the dry ingredients, alternating with the sour cream, mixing just until combined. Be careful not to overmix — this keeps the cake extra tender!

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Step 4: Assemble the Layers

Spread half of the cake batter evenly into the prepared pan. Layer half of the apple filling on top.
Carefully spread the remaining batter over the apple layer, then add the rest of the apple filling.
Generously sprinkle the crumble topping all over the surface, ensuring full coverage.

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Step 5: Bake the Cake

Bake for 45–55 minutes, or until a toothpick inserted into the center comes out clean (a few moist crumbs are fine!).
Allow the cake to cool in the pan for about 15 minutes before slicing. It’s wonderful warm or at room temperature.

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Storage Instructions

To keep your Moist Apple Crumble Coffee Cake fresh and fabulous, store it tightly covered at room temperature for up to 2 days. If you’d like it to last longer, refrigerate it for up to 5 days — just make sure it’s in an airtight container to prevent drying out.
For even longer storage, you can freeze individual slices wrapped tightly in plastic wrap and placed in a freezer-safe bag for up to 3 months. When ready to enjoy, simply thaw at room temperature or warm slightly in the microwave for that fresh-baked feel.

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Estimated Nutrition

Please note these are approximate values based on a standard slice (1/12 of the cake):

• Calories: 380
• Total Fat: 17g
• Saturated Fat: 10g
• Cholesterol: 80mg
• Sodium: 220mg
• Total Carbohydrates: 53g
• Dietary Fiber: 2g
• Sugars: 32g
• Protein: 4g

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Frequently Asked Questions

How do I know when the coffee cake is fully baked?

Insert a toothpick into the center — if it comes out with a few moist crumbs (but not wet batter), it’s ready!

Can I use canned apple pie filling instead of fresh apples?

Yes, but the flavor and texture will be sweeter and softer. Fresh apples give the best bite and balance.

What are the best apples to use for this recipe?

Granny Smith, Honeycrisp, or Fuji are great choices — they hold their shape and offer a lovely tart-sweet flavor.

Can I make this coffee cake gluten-free?

Absolutely! Swap the all-purpose flour for a 1:1 gluten-free baking blend.

Is it possible to make the crumble topping ahead of time?

Yes! You can prepare the crumble a day or two in advance and keep it chilled in the fridge until ready to use.

Why is my crumble topping sinking into the cake?

If the batter is too loose or warm, the topping might sink. Make sure the batter is thick and the topping is well-crumbled.

How should I reheat leftover slices?

A quick 10–15 seconds in the microwave will bring back that fresh-out-of-the-oven warmth!

Can I add nuts to the crumble topping?

Definitely! Chopped pecans or walnuts add a fantastic crunch and extra flavor.

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