Cinnamon Streusel Banana Muffins Recipe

[email protected]Posted on February 8, 2026

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I published this recipe for Cinnamon Streusel Banana Muffins a few years ago after a serious baking fail. I had a bunch of sad, black bananas and a craving for something between a muffin and a coffee cake. My first batch was a disaster—dense, gummy, and just sad. If you love that classic banana and cinnamon combo, you should also try my recipe for Apple Cinnamon Banana Muffins.

But I kept at it. I wanted that perfect bakery-style dome and a crumb that was tender, not tough. After what felt like a hundred tests, I found my secret. It’s all about not over-mixing the batter. I know it sounds simple, but it changes everything.

These muffins are my proudest self-taught baker moment. They’re the ultimate morning snack, packed with banana flavor and topped with a crunchy cinnamon sugar streusel that you’ll want to eat by the handful.

Recipe Overview

Cuisine: American
Category: Breakfast, Snack
Prep Time: 15 minutes
Cook Time: 20 minutes
Total Time: 35 minutes
Servings: 12 standard muffins

Why This Recipe is So Special

What makes these crumb muffins stand out is the double hit of cinnamon. We mix it right into the batter for a warm flavor throughout.

Then, we pile on that incredible streusel topping. It bakes into a sweet, crunchy crust that shatters with every bite. It’s like the best part of a coffee cake, but in portable muffin form.

The method is special, too. We mix the wet and dry ingredients separately. Then, we combine them with as few strokes as possible. This keeps the muffins light and airy, not chewy. This same careful technique is key for another favorite: my Apple Cinnamon Banana Muffins recipe.

The Full Ingredient List

Gathering your mise en place first makes the process so smooth. Here’s what you’ll need. I promise, it’s all simple stuff you probably have already.

For the Streusel Topping:
3/4 cup all-purpose flour
1/2 cup packed light brown sugar
1 1/2 tsp ground cinnamon
1/4 tsp salt
6 tbsp cold unsalted butter, cubed
For the Muffin Batter:
1 3/4 cups all-purpose flour
1 tsp baking soda
1 tsp baking powder
1/2 tsp salt
1 tsp ground cinnamon
3 large ripe bananas (about 1 1/2 cups mashed)
3/4 cup granulated sugar
1/2 cup neutral oil (like vegetable or canola)
2 large eggs, at room temperature
1 tsp pure vanilla extract

My Step-by-Step Method

Follow these steps in order for the best results. I like to make the streusel first so it’s ready to go when the batter is done.

Preheat your oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease it well.
Make the streusel. In a medium bowl, whisk the flour, brown sugar, cinnamon, and salt for the topping. Add the cold butter cubes.
Use your fingers or a pastry cutter to work the butter into the dry mix. Keep going until it looks like coarse, crumbly sand with some pea-sized bits. Set it aside.
Make the muffin batter. In a large bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon. This is your dry team.
In another bowl, mash the bananas well with a fork. You want them mostly smooth. Whisk in the sugar, oil, eggs, and vanilla until just combined. This is your wet team.
Pour the wet ingredients into the dry ingredients. Use a rubber spatula to gently fold them together. Stop when you see just a few streaks of flour. A slightly lumpy batter is perfect!
Divide the batter evenly among the 12 muffin cups. They should be quite full, about 3/4 of the way up.
Generously sprinkle the streusel topping over each muffin cup. Press it down lightly so it sticks.
Bake for 18-22 minutes. They’re done when a toothpick inserted into the center comes out clean or with just a few moist crumbs.
Let the muffins cool in the pan for 5 minutes. Then, move them to a wire rack to cool completely. Try to wait at least 10 minutes before eating—the streusel is very hot!

My Top Tips for Success

Use super ripe bananas. The blacker the peel, the sweeter and more flavorful your muffins will be. This is non-negotiable for the best taste.
Keep your butter cold for the streusel. Cold butter creates those perfect, crispy crumbs. If it melts, the topping will be pasty.
For a flavor boost, add a handful of chopped walnuts or pecans to the streusel mixture. It adds a wonderful texture.
Room temperature eggs blend into the batter much more easily. If you forgot, place cold eggs in a bowl of warm water for 5 minutes.

Common Mistakes to Avoid

The biggest mistake is over-mixing. When you combine the wet and dry, you’re not looking for a completely smooth batter. Over-mixing develops the gluten in the flour.

This leads to tough, tunneled muffins. A few lumps are your friend. I promise they’ll bake out.

Another common error is under-baking. The streusel might look done before the center is cooked. Always use the toothpick test.

If it comes out with wet batter, give them a few more minutes. A gooey center means they needed more time.

NUTRITION INFORMATION

Calories: ~320 kcal
Carbohydrates: 45g
Protein: 4g
Fat: 14g
Saturated Fat: 4g
Cholesterol: 45mg
Sodium: 250mg
Fiber: 2g
Sugar: 25g

FREQUENTLY ASKED QUESTIONS

Can I make these muffins ahead of time?

Absolutely! These muffins freeze beautifully. Let them cool completely, then store them in a freezer bag for up to 3 months. Thaw at room temperature or warm them up in the oven.

Can I use melted butter instead of oil?

You can, but the texture will be different. Oil keeps muffins moist for days. Butter will give a richer flavor but may lead to a slightly drier crumb over time.

My streusel sunk into the batter. What happened?

This usually means your batter was too wet or thin. Make sure you’re measuring your flour correctly (spoon and level, don’t scoop!). Also, pressing the streusel lightly onto the batter helps it stay put.