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Easy Apple Crumb Muffins with Cinnamon Streusel Topping - Cozy, Bakery-Style Treat

Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 12 servings

Ingredients
  

  • Apples: 2 medium, peeled and diced (about 1.5 cups). Granny Smith, Honeycrisp, or Fuji work well.
  • All-purpose flour: For both batter and streusel.
  • Granulated sugar and light brown sugar
  • Ground cinnamon and a pinch of nutmeg (optional)
  • Baking powder and baking soda
  • Salt
  • Eggs: 2 large
  • Milk: Whole or 2% preferred
  • Neutral oil: Canola or vegetable
  • Vanilla extract
  • Unsalted butter: For the streusel

Method
 

  1. Prep the pan and oven: Heat oven to 375°F (190°C). Line a 12-cup muffin tin with paper liners or grease well.
  2. Make the streusel: In a bowl, mix 3/4 cup flour, 1/3 cup brown sugar, 1 teaspoon cinnamon, and a pinch of salt. Stir in 6 tablespoons melted butter until clumpy. Chill while you make the batter.
  3. Whisk dry ingredients: In a large bowl, whisk 2 cups flour, 2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, 1 teaspoon cinnamon, and a pinch of nutmeg.
  4. Mix wet ingredients: In a separate bowl, whisk 2 large eggs, 3/4 cup granulated sugar, 1/2 cup neutral oil, 3/4 cup milk, and 2 teaspoons vanilla.
  5. Combine: Pour wet ingredients into dry. Stir gently until just combined. A few small lumps are fine. Fold in the diced apples.
  6. Fill the cups: Divide batter evenly among the muffin cups, almost to the top for taller muffins.
  7. Add streusel: Break the chilled streusel into chunky crumbs and mound on top of each muffin. Press lightly so it adheres.
  8. Bake: Bake 18–22 minutes, until the tops are golden and a toothpick comes out clean or with a few moist crumbs.
  9. Cool: Let muffins rest in the pan 5 minutes, then transfer to a rack. For extra shine, brush warm tops with a little melted butter and dust with cinnamon sugar (optional).