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Apple Cinnamon Oatmeal Muffins

Apple Cinnamon Oatmeal Muffins

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Soft, moist, and warmly spiced breakfast muffins loaded with sweet fresh apples and finished with a buttery, crisp cinnamon-oat topping.

Ingredients

Scale

Cinnamon Oat Topping:

  • ¼ cup quick-cooking oats
  • 1 tbsp brown sugar
  • 1 tbsp unsalted butter, melted
  • ¼ tsp ground cinnamon

Muffin Batter:

  • 1 ½ cups quick-cooking oats
  • 1 ½ cups all-purpose flour
  • ½ cup packed brown sugar
  • 1 ½ tsp ground cinnamon
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp fine salt
  • ½ cup unsweetened applesauce
  • ½ cup whole milk (room temperature)
  • ¼ cup vegetable oil
  • 1 large egg (lightly beaten, room temperature)
  • 1 tsp pure vanilla extract
  • 1 medium baking apple (peeled, cored, and finely chopped)

Instructions

  1. Preheat & Prep: Heat oven to 400°F (200°C). Line a 12-well muffin tin with paper liners or spray thoroughly with nonstick baking spray.
  2. Make Topping: Stir together the topping oats, brown sugar, melted butter, and cinnamon in a small dish until crumbly. Set aside.
  3. Whisk Dry: In a large bowl, whisk the oats, flour, brown sugar, cinnamon, baking powder, baking soda, and salt until evenly combined.
  4. Mix Wet: In a separate bowl, whisk together the applesauce, milk, vegetable oil, beaten egg, and vanilla until smooth and emulsified.
  5. Combine: Pour the wet ingredients into the dry bowl. Stir with a spatula just until moistened (do not overmix). Gently fold in the chopped apple.
  6. Portion & Top: Divide batter evenly across the 12 prepared cups (about ⅔ full). Sprinkle the oat topping evenly over each muffin.
  7. Bake & Cool: Bake at 400°F (200°C) for 14–16 minutes until a toothpick inserted in the center comes out clean. Cool in the tin for 5 minutes, then transfer to a wire rack.

Notes

  • Apple Choice: Use crisp, firm apples like Honeycrisp or Granny Smith so they don’t break down into mush.
  • Batter Tip: Stop mixing as soon as dry flour streaks vanish to keep the crumb light and tender.
  • Storage: Keep in an airtight container lined with paper towels at room temperature for up to 3 days, or freeze wrapped in plastic for up to 3 months.