Apple Spice Cake Donuts Recipe: Warm Cinnamon Streusel Hugs Moist Apple Layers

This apple spice cake donut recipe delivers the perfect balance of tender cake layers and warm cinnamon streusel—like a hug in every bite. The secret lies in combining cake batter with spiced apples and a buttery streusel topping that caramelizes beautifully.

I've perfected this technique over years of baking, ensuring each donut stays moist and flavorful without being too dense. The recipe begins with a classic cake batter infused with cinnamon and nutmeg, then folded with finely diced apples for natural sweetness and texture.

After proofing, the donuts are baked (not fried) for a lighter result, topped with a streusel that becomes irresistibly crisp. The final touch—a simple vanilla glaze—ties everything together with a glossy finish.

What you'll end up with is a batch of donuts that taste like autumn in every bite: moist cake layers, tender apples, and a streusel topping that's both crunchy and caramelized. The aroma alone will have everyone asking for seconds, making these perfect for brunch, dessert, or holiday gatherings.

Whether you're baking for a crowd or treating yourself, this recipe scales beautifully and stays fresh for days. Let's get started!

Ingredients for apple spice cake donut

Twelve ingredients for donuts that taste like autumn: tender cake, spiced apples, and crisp streusel.

The apples are non-negotiable for that perfect balance of sweetness and tartness. Granny Smith or Honeycrisp work best—they hold their shape when diced and add natural moisture. I always peel and core mine, then chop into 1/4-inch pieces for even distribution. If you're using pre-peeled apples, rinse them first. For the flour, King Arthur or Gold Medal brands are my go-to—they're consistently reliable. The oats should be old-fashioned, not quick oats, for that perfect streusel texture. Toast them lightly in a dry pan first to deepen the flavor.

No vanilla extract? Vanilla bean paste works too, though you'll need about half the amount. Running short on walnuts? Pecans or almonds are great substitutes, but toast them first. The streusel needs fat, so if you're avoiding butter, coconut oil works in a pinch. For the glaze, if you can't find vanilla glaze, powdered sugar plus vanilla extract plus milk does the trick. The baking powder must be fresh—if it's more than six months old, test it first by mixing with water. If it doesn't bubble, toss it and buy new. The donuts will rise better with fresh baking powder.

Store the cake donuts in an airtight container with parchment paper between layers for up to 3 days at room temperature. For longer storage, freeze them for up to 3 months—just thaw at room temperature before serving. The streusel topping stays crisp for about 2 days before it softens, so I always make a fresh batch to top the donuts right before serving. If you're making these ahead for a party, freeze the unglazed donuts and add the glaze just before serving. The aroma alone will have everyone gathering around.

Step-by-step instructions for apple spice cake donuts

Here's how to create tender, moist apple spice cake donuts with a perfect cinnamon streusel topping.

Peel, core, and finely dice the 2 medium apples into small, even pieces—about ¼-inch cubes. Toss them with 1 tablespoon lemon juice to prevent browning while you prepare the dough. This keeps the filling vibrant and prevents a bitter taste.

For the streusel topping, blend the 1 cup old-fashioned oats and 0.5 cup chopped walnuts in a food processor until finely ground. In a separate bowl, mix the ground oats with the 0.5 cup brown sugar, 1.5 teaspoons ground cinnamon, 0.5 teaspoon ground nutmeg, and 0.5 teaspoon salt. Set aside—this will create the signature crunchy topping.

In a large mixing bowl, combine the 3 cups all-purpose flour and 2 teaspoons baking powder. Sift the dry ingredients together to remove any lumps and aerate the flour for a lighter texture. This step is crucial for achieving the tender crumb you want in these donuts.

In a separate bowl, cream the 1 cup unsalted butter (at room temperature) with the 1.5 cups granulated sugar until light and fluffy—about 3-4 minutes—using a hand mixer or stand mixer. Add the 2 whole large eggs one at a time, mixing well after each addition. Stir in the 1 tablespoon vanilla extract until fully combined.

Gradually add the dry ingredients to the wet mixture, mixing on low speed until just combined. Avoid overmixing—stop as soon as the flour disappears. Fold in the diced apples using a spatula, ensuring even distribution throughout the batter. The apples should be evenly coated to prevent sinking during baking.

Divide the batter into two equal portions. In one portion, gently fold in half of the streusel topping. This creates the classic apple spice cake donut with a cinnamon-streusel layer. Keep the other portion plain for the outer layer.

Heat 2-3 inches of vegetable oil in a deep fryer or heavy pot to 350°F. Use a deep-fry thermometer to monitor the temperature—this is critical for even cooking. Shape the plain batter portion into a 1-inch-thick circle around a donut pan or mold. Fill the center with the streusel-infused batter, then gently press the edges to seal.

Carefully lower the assembled donuts into the hot oil, frying 2-3 at a time to avoid overcrowding. Fry for 2-3 minutes per side, or until golden brown. The donuts are done when they float and the internal temperature reaches 200°F. Drain on a wire rack lined with paper towels to remove excess oil.

While the donuts are still warm, whisk the 1 cup vanilla glaze until smooth. Dip the tops of the donuts into the glaze or drizzle generously over the top. The glaze should coat the streusel evenly, adding a sweet, glossy finish. Serve immediately for the best texture—these donuts are best enjoyed fresh and warm.

Each bite should deliver a perfect balance of moist cake, spiced apple filling, and crunchy streusel. The glaze adds a final touch of sweetness that ties everything together. Store any leftovers in an airtight container, but they won't last long!

Essential equipment for this dish

Must-Have Mixing Tools

Start with a stand mixer like the KitchenAid Artisan Series—it handles the butter and sugar creaming effortlessly. For smaller batches, a hand mixer with beater attachments works fine.

I also recommend a medium mixing bowl (at least 5-quart capacity) to prevent overflow when combining wet and dry ingredients. 🌟

Deep-Fry Essentials

For perfect donuts, use a deep-fry thermometer (I love the Thermoworks Smoke) to maintain 350°F oil temperature. A heavy-bottomed pot (like All-Clad Stainless Steel) prevents hot spots, while a donut pan or round cookie cutter helps shape the batter.

A wire rack with paper towels is critical for draining excess oil without soggy donuts.

Streusel Prep Gear

Blend your streusel topping in a food processor (like Ninja BN601) for consistent texture. A small mixing bowl (2-quart) works best for combining the ground oats, sugar, and spices.

I also keep a microplane handy to finely grate fresh nutmeg if I'm feeling fancy—it makes a noticeable difference in flavor.

Pro Tips for Assembly

Use a donut pan or round cookie cutter (about 3-inch diameter) for clean shapes. For frying, I recommend vegetable oil (like Crisco) for neutral flavor, but canola oil works too. A slotted spoon makes transferring donuts in and out of oil much easier.

Keep a small bowl of water nearby—dip your fingers in it between handling hot oil and dough to prevent sticking.

Glazing Tools

A small saucepan (1-quart) is perfect for heating glaze if you're making it from scratch. For store-bought glaze, just whisk in a small bowl until smooth. A pastry brush helps apply glaze evenly, especially if you want to avoid messy dipping.

I like to use Wilton brushes—they hold just the right amount of liquid without dripping.

Storage Solutions

Keep donuts fresh in an airtight container (like Rubbermaid Food Storage) with parchment paper between layers. For freezing, use quart-sized freezer bags—they stack neatly and prevent freezer burn.

Label everything with dates so you can track freshness. A sharp knife comes in handy for cutting donuts into wedges for easy serving.

Frequently asked questions