Oat Muffins with Pecan Streusel Topping

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These hearty muffins have a wholesome “oatey” flavor and a crunchy streusel topping.

Oat muffins with pecan streusel topping on a wire rack.

These are my husband, Michael’s, favorite muffins — and when they mysteriously disappear from the countertop, I know who is the likely culprit! They’re hearty with a wholesome “oatey” flavor and crunchy streusel topping. I love them because they bake up so nicely. Typically, homemade muffins don’t rise as high as bakery muffins. It’s not the fault of the home baker; it’s simply difficult to create those dazzling high domes without an industrial convection oven. But these oat muffins dome beautifully — guaranteed — and will make you proud.

What You’ll Need To Make Oat Muffins

Muffin ingredients including eggs, butter, and light brown sugar.

Step-by-Step Instructions

Begin by making the streusel topping. Combine the oats, flour, brown sugar, pecans, cinnamon and salt in a bowl.

Dry streusel ingredients unmixed in a bowl.

Drizzle with melted butter and stir to combine. The mixture should be clumpy.

Streusel ingredients mixed in a bowl.

Set that aside, then move on to the oats. Melt the butter in a pan.

Butter melted in a skillet.

Add the oats and cook for 6-8 minutes, until the oats and fragrant and golden. This step enhances the oat flavor.

Wooden spoon stirring oats toasting in a skillet.

Transfer the oats to a food processor.

Toasted oats in a food processor.

Process until the oats are finely ground.

Ground oats in a food processor.

Then add the remaining dry ingredients.

Ground oats and flour in a food processor.

Process again until uniform.

Food processor of dry muffin ingredients.

In a large bowl, whisk together the melted butter and brown sugar.

Whisk stirring butter and brown sugar together.

Add the milk and eggs.

Whisk in a bowl with milk and eggs.

Whisk to combine.

Wet muffin batter in a bowl.

Gradually add the flour, stirring with the whisk, until the mixture is evenly moistened. It will look a little lumpy — that’s okay.

Pile of dry ingredients in a bowl of wet ingredients.

The batter will be quite thin. Let it sit for 20 minutes to thicken; it will thicken up quite a bit.

Oat muffin batter in a bowl.

Using an ice cream scooper with a wire scraper or a spoon, fill the muffin cups to the rim with the batter.

Muffin tin of oat muffin batter.

Then top with the streusel.

Oat muffins with pecan streusel topping in a muffin tin.

Bake for 22-25 minutes.

Oat muffins with pecan streusel topping cooling on a wire rack.

Let the muffins cool in the pan for ten minutes, then transfer to a wire rack to continue cooling. Serve warm.

Oat muffins with pecan streusel topping cooling on a wire rack.

Note: My starting point for this recipe was this oatmeal muffin from Cook’s Illustrated. I found their version to be a bit too dense, so I adjusted the ratio of oats to flour (increasing the flour and reducing the oats), and I also increased the leavening agents. For flavor, I added more cinnamon and reduced the salt.

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Oat Muffins with Pecan Streusel Topping

These hearty muffins have a wholesome “oatey” flavor and a crunchy streusel topping.

Servings: 12 muffins
Prep Time: 1 Hour
Cook Time: 25 Minutes
Total Time: 1 Hour 45 Minutes

Ingredients

For the Topping

  • ½ cup old-fashioned rolled oats
  • ⅓ cup all purpose flour, spooned into measuring cup and leveled-off
  • ⅓ cup packed light brown sugar
  • ⅓ cup finely chopped pecans
  • 1¼ teaspoons ground cinnamon
  • ⅛ teaspoon salt
  • 4 tablespoons unsalted butter, melted

For the Muffins

  • 8 tablespoons (1 stick) unsalted butter, divided
  • 1½ cups old-fashioned rolled oats
  • 2¼ cups all-purpose flour, spooned into measuring cup and leveled-off
  • 1¼ teaspoons salt
  • 1 teaspoon cinnamon
  • 1½ teaspoons baking powder
  • ¼ teaspoon baking soda
  • 1⅓ cups packed light brown sugar
  • 1¾ cups milk
  • 2 large eggs

Instructions

For the Topping

  1. Combine the oats, flour, brown sugar, pecans, cinnamon, and salt in medium bowl. Drizzle the melted butter over top and stir to combine. The mixture will be clumpy. Set aside.

For the Muffins

  1. Line a 12-cup muffin tin with paper liners (or grease with a nonstick baking spray with flour in it).
  2. Melt 2 tablespoons of the butter in 10-inch skillet over medium heat. Add the oats and cook, stirring frequently, until the oats turn golden and fragrant, 6 to 8 minutes. Transfer the oats to a food processor fitted with the metal blade and process into a fine meal. Add the flour, salt, cinnamon, baking powder, and baking soda to the oats and pulse until the mixture is uniform.
  3. Melt the remaining 6 tablespoons of butter. In a large mixing bowl, whisk together the melted butter and brown sugar until smooth. Add the milk and eggs and whisk until the mixture is smooth (if you have lumps, I find it helpful to warm the mixture a bit in the microwave.) Gradually add the flour/oat mixture to the wet ingredients, stirring gently with the whisk until the dry ingredients are evenly moistened. Do not over-mix; the batter will look a little lumpy -- that's okay. You will notice that the batter is very thin; let it sit for 20 minutes to thicken (don't worry -- it will thicken quite a bit). Meanwhile, adjust an oven rack to the middle position and preheat the oven to 375°F.
  4. Using an ice cream scoop with a wire scraper or large spoon, divide the batter equally into the muffin cups; they will be filled to the rim. Evenly sprinkle the streusel topping over the batter. Bake until golden and domed, and a toothpick inserted into the center of a muffin comes out clean, 22 to 25 minutes. (If your oven has hot spots, rotate the muffin tin halfway through baking.)
  5. Let the muffins cool in the pan on a wire rack for 10 minutes. Remove the muffins from the pan and transfer to a wire rack to continue cooling. Serve warm or after they are completely cooled, store in an airtight container.
  6. Freezer-Friendly Instructions: The muffins can be frozen in an airtight container or sealable plastic bag for up to 3 months. Thaw for 3 – 4 hours on the countertop before serving. To reheat, wrap individual muffins in aluminum foil and place in a preheated 350°F oven until warm.

Nutrition Information

Powered by Edamam

  • Per serving (12 servings)
  • Serving size: 1 muffin
  • Calories: 423
  • Fat: 17g
  • Saturated fat: 9g
  • Carbohydrates: 62g
  • Sugar: 32g
  • Fiber: 3g
  • Protein: 7g
  • Sodium: 377mg
  • Cholesterol: 65mg

This website is written and produced for informational purposes only. I am not a certified nutritionist and the nutritional data on this site has not been evaluated or approved by a nutritionist or the Food and Drug Administration. Nutritional information is offered as a courtesy and should not be construed as a guarantee. The data is calculated through an online nutritional calculator, Edamam.com. Although I do my best to provide accurate nutritional information, these figures should be considered estimates only. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Furthermore, different online calculators provide different results depending on their own nutrition fact sources and algorithms. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator.

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Comments

  • I made these yesterday. Thanks for the clear instructions, We all liked them, but they stuck to the paper liners. What did I do wrong? Thanks!

    • — Homa on July 3, 2024
    • Reply
    • Hmmm…that’s strange – I’m sorry you had a problem with them! If you make these again, I’d also spray the liners once you’ve put them in the wells.

      • — Jenn on July 5, 2024
      • Reply
  • I almost never write a recipe review. These need one. I was almost finished with this recipe when I thought, where is the pumpkin? I thought I was making the pumpkin muffins with pecan streusel. Y’all, I made the “wrong” recipe.Turns out it wasn’t wrong at all and I stumbled upon muffin heaven. These oat muffins are absolutely divine. I did use buttermilk instead of regular milk. I saw baking soda and my brain made the leap. I probably should have had the coffee before I started anything. Absolutely would do it again. Thanks for an amazing recipe!

    • — Laura S on September 17, 2023
    • Reply
  • Question: Any tips for freezing these? I want to have them for breakfast for the next few weeks and I’m a household of 1. Thanks!

    • Hi Emma, these freeze nicely. See the bottom of the recipe for freezer-friendly instructions. 🙂

  • Our kids get so excited when I make these muffins.

  • Do you think these would work with almond milk instead of regular milk?

    • Sure, Rakhi, that should be fine. Hope you enjoy!

  • These muffins are awesome! Hearty and not too sweet!!! I served them with homemade peach jam…yum! Next time I would like to make some of them in mini muffin tins…what cooking time would you suggest?

    • Glad you liked them! I’d start checking mini versions of these at 11 minutes. Enjoy!

  • These muffins are delicious. They aren’t necessarily quick to make but they are worth the time! We live them.

  • Can you add bananas to this recipe? Looking for an oatmeal banana recipe

    • Hi Michelle, I haven’t tried it so it’s hard to say how it will impact the recipe. While they’re not muffins, you may want to give these Banana Oatmeal Cookies a try. Hope you enjoy if you make them!

  • Another great muffin recipe. I substituted dark brown sugar for light as that’s what I had and they were delicious.

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