Hearty Cinnamon Apple Oatmeal Muffins
Wholesome, moist, and delightfully filling, these oatmeal muffins are a fantastic grab-and-go breakfast or healthy snack. Soaking the oats in milk first gives them a wonderfully soft texture, while cinnamon and sweet chunks of apple make every bite cozy and comforting.
Recipe Overview
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Prep time: 15 mins
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Bake time: 18 to 22 mins
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Servings: 12 muffins
Ingredients
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The Oat Base:
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1 1/2 cups old-fashioned rolled oats
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1 cup milk (dairy or plant-based)
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The Dry Ingredients:
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1 cup all-purpose flour (or whole wheat flour)
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1/3 cup brown sugar (packed) or coconut sugar
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1 tablespoon baking powder
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1 1/2 teaspoons ground cinnamon
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1/2 teaspoon ground nutmeg
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1/2 teaspoon salt
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The Wet Ingredients:
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1/3 cup melted butter, coconut oil, or vegetable oil
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2 large eggs (room temperature)
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1/3 cup honey or pure maple syrup
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1 teaspoon vanilla extract
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The Add-Ins:
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1 medium apple (such as Honeycrisp or Granny Smith), peeled and finely diced (about 1 cup)
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Optional: 1/2 cup chopped pecans, walnuts, or raisins
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Step-by-Step Instructions
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Preheat and Prep: Preheat your oven to 400°F (200°C). Line a 12-cup standard muffin tin with paper liners or grease generously with non-stick cooking spray.
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Soak the Oats: In a medium mixing bowl, combine the rolled oats and milk. Stir well and let sit for 10 to 15 minutes to allow the oats to soften and absorb the liquid.
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Mix Dry Ingredients: In a separate large bowl, whisk together the flour, brown sugar, baking powder, cinnamon, nutmeg, and salt.
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Combine Wet Ingredients: To the bowl with the soaked oats, add the melted butter (or oil), eggs, honey (or maple syrup), and vanilla extract. Whisk thoroughly until smooth.
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Bring It Together: Pour the wet oat mixture into the dry ingredients. Gently fold with a spatula just until combined (be careful not to overmix). Fold in the diced apples and nuts or raisins if using.
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Fill the Muffin Cups: Divide the batter evenly among the 12 muffin cups, filling them almost to the top for nice domed tops.
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Bake: Bake at 400°F for 5 minutes, then—without opening the oven door—reduce the temperature to 350°F (175°C) and bake for an additional 13 to 15 minutes, or until a toothpick inserted into the center comes out clean.
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Cool: Let the muffins cool in the pan for 5 minutes before transferring them to a wire rack to cool completely.
Helpful Tips
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Storage: Keep leftovers in an airtight container at room temperature for up to 3 days, or store in the refrigerator for up to a week. They also freeze wonderfully for quick morning breakfasts!
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Flavor Variations: Feel free to swap the diced apples for blueberries, chocolate chips, or mashed ripe bananas depending on what you have on hand.