Apple Walnut Streusel Muffins

From the roundup: 24 Apple Dessert Recipes for Fall You Will Want to Bake All Season

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These apple walnut streusel muffins have become my go-to when I need something that feels like a real breakfast but comes together before school drop-off. The active work is maybe 15 minutes: chop the apples, mix two bowls, pile on the streusel. The oven does the rest in about 22 minutes.

The streusel is the part people always ask about. It goes into the freezer while you mix the batter, and that cold butter is what keeps it in chunky clumps instead of melting flat. Press it on thick. A thin layer disappears into the muffin top and you lose the whole point of making them.

One thing I learned the hard way: fill the cups nearly to the rim. I used to be conservative and ended up with sad, flat tops and barely any surface for the streusel. Fill them full and you get that domed bakery look, plus a better crunch-to-muffin ratio in every bite.

Why you will love this

• The cinnamon streusel bakes into a thick, crunchy crust that holds its texture even after the muffins cool completely.
• Fresh apple chunks and walnuts make them filling enough to count as breakfast, not just a sweet treat.
• No mixer and one large bowl for the batter means cleanup is fast on a weekday morning.
• The batter takes 15 minutes to pull together and the muffins are out of the oven in under 25 minutes.
• They pack well for lunches or road trips without getting soggy, as long as you do not stack them.

Tips for success

• Make the streusel first and get it into the freezer. Cold butter is what creates those pea-size clumps. If your kitchen is warm and the butter softens before you use it, the topping turns sandy instead of chunky.
• Stop mixing the batter as soon as the flour disappears. A few faint streaks are fine before you add the apples and walnuts. Overmixing is what causes dense crumbs and flat tops, not the oven temperature.
• Fill each muffin cup to within about a quarter inch of the top. This is not the time to be cautious. A full cup gives you the dome and the surface area you need for a thick layer of streusel.
• Let the muffins sit in the tin for 5 minutes before moving them. The streusel is fragile right out of the oven and will crumble off if you rush it. It firms up as it cools.

Common questions

• Can I use pre-shredded or grated apple instead of chunks? You can, but the texture changes. Shredded apple makes the crumb more moist and soft, and you lose the distinct apple pieces inside. Stick with the 1/3-inch cubes for the best result.
• My streusel sank into the muffin. What happened? It usually means the streusel warmed up too much before baking. Make sure it goes back in the freezer between steps, and press it onto the batter gently, not deeply.
• Do these work without the walnuts? Yes. Skip them and add an extra half cup of apple, or leave the batter as-is. The muffins are a little softer without the nuts but still hold their shape.

Substitutions

Pecans work in place of walnuts if that is what you have. For a completely nut-free version, leave them out and add an extra half cup of diced apple. Sour cream or plain Greek yogurt can replace the buttermilk in equal measure if you do not have any on hand. Up to half the all-purpose flour can be swapped for whole wheat flour without changing the structure much, though the muffins will be a little denser.

For a dairy-free version, use a neutral melted coconut oil in place of the butter in the batter, and a plant-based butter stick for the streusel. The streusel texture is slightly different but still crunchy after baking. Oat milk with a teaspoon of white vinegar stirred in can stand in for the buttermilk.

Make-ahead and storage

You can mix the dry ingredients and make the streusel the night before. Store the dry mix covered on the counter and keep the streusel in the freezer until morning. When you are ready to bake, mix the wet ingredients, combine everything, and go. It cuts the morning work down to about 5 minutes.

Baked muffins keep at room temperature in an airtight container for up to 3 days. Do not stack them directly on top of each other or the streusel gets crushed and soggy. To freeze, cool the muffins completely first, then freeze in a single layer before transferring to a zip-top bag. They keep for up to 2 months. Reheat from frozen in a 350-degree oven for 12 to 14 minutes to bring the streusel back to life. The microwave works in a pinch at about 45 seconds, but the topping softens.

Brittany Stage

Apple Walnut Streusel Muffins

Tall, bakery-style muffins packed with fresh apple chunks and walnuts, topped with a thick cinnamon streusel that bakes into a crunchy, golden crust. No mixer needed and ready in about 35 minutes.

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Prep Time 15 minutes mins

Cook Time 22 minutes mins

Total Time 37 minutes mins

Servings: 12 servings

Course: Breakfast, Dessert, Snack

Cuisine: American

Calories: 310

Ingredients Equipment Method Notes

Ingredients

  

• 2 cups all-purpose flour
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1 1/2 tsp ground cinnamon
• 1/4 tsp ground allspice
• 1/2 tsp fine salt
• 3/4 cup granulated sugar
• 2 large eggs room temperature
• 1/2 cup unsalted butter melted and cooled slightly, 1 stick
• 3/4 cup buttermilk shaken
• 1 tsp pure vanilla extract
• 2 cups apples peeled, cored, and cut into 1/3-inch cubes, about 2 medium apples
• 3/4 cup walnuts roughly chopped
• 1/2 cup all-purpose flour for streusel
• 1/3 cup packed light brown sugar for streusel
• 1 tsp ground cinnamon for streusel
• 1/4 tsp fine salt for streusel
• 4 tbsp unsalted butter cold and cut into small cubes, for streusel

Equipment

• standard 12-cup muffin tin
• paper muffin liners
• large mixing bowl
• medium mixing bowl
• whisk
• rubber spatula
• measuring cups and spoons
• fork for the streusel

Method

 

1. Preheat your oven to 400 degrees. Line a standard 12-cup muffin tin with paper liners. Set aside.
2. Make the streusel first so it can chill a bit while you mix the batter. In a medium bowl, combine the streusel flour, brown sugar, cinnamon, and salt. Add the cold butter cubes and use your fingertips or a fork to work the butter into the dry mixture until it forms coarse, pea-size clumps. You want chunky pieces, not a fine sand. Place the bowl in the freezer while you make the batter.
3. In a large bowl, whisk together the flour, baking powder, baking soda, cinnamon, allspice, salt, and granulated sugar.
4. In a separate smaller bowl or large measuring cup, whisk together the eggs, melted butter, buttermilk, and vanilla until combined.
5. Pour the wet ingredients into the dry ingredients. Using a rubber spatula, stir just until the flour is mostly incorporated. A few small streaks of flour are okay at this point. Add the chopped apples and walnuts and fold them in with 3 to 4 more strokes. Stop as soon as everything is combined. Overmixing is the number one reason muffin tops turn out flat and the crumb turns tough.
6. Divide the batter among the 12 lined cups. Fill each cup nearly to the top, leaving about 1/4 inch of space. This is what creates that bakery-style domed top. A generous fill gives you more surface area for the streusel too.
7. Take the streusel out of the freezer. Press a generous pinch of streusel onto the top of each muffin cup, pressing it down very lightly so it sticks. Do not be shy here. A thick layer of streusel is the whole point of these muffins.
8. Bake on the center rack for 20 to 22 minutes. The muffins are done when the streusel is golden and a toothpick inserted into the center of a middle muffin comes out clean with no wet batter. The tops should feel firm when you press them gently.
9. Let the muffins cool in the tin for 5 minutes, then transfer them to a wire rack. They are good warm, but the streusel crisps up more as they cool. Wait at least 10 minutes before eating so you do not burn your mouth on a hot apple chunk inside.

Notes

Fill the muffin cups nearly to the top for tall, domed bakery-style results. A half-full cup gives you flat tops with less streusel coverage. Cold butter in the streusel is important for getting those chunky, crunchy clumps.

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