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Cinnamon Apple Coffee Cake Muffins

Monica
This hands down winner is moist and fluffy with a buttery cinnamon sugar apple center and a fantastically crispy oatmeal streusel topping.
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Prep Time 20 minutes
Cook Time 20 minutes
Total Time 40 minutes
Servings 24

Ingredients
  

For the Muffin:

  • 3 cups flour
  • 2 cups granulated sugar
  • 1 tablespoon baking powder
  • 1 teaspoon salt
  • 1 teaspoon vanilla extract
  • 2 eggs
  • 2 cups sour cream
  • 1 cup butter melted

For the Filling:

  • 1/3 cup melted butter
  • 1 cup packed brown sugar
  • 2 tablespoons cinnamon
  • 1/2 Granny Smith apple chopped into small dice

For the Streusel Topping:

  • 4 tablespoons granulated sugar
  • 6 tablespoons brown sugar
  • 2 teaspoons cinnamon
  • 1/2 teaspoon salt
  • 1 cup all purpose flour
  • 1/2 cup old fashioned rolled oats
  • 1/2 cup butter softened

Instructions
 

  • Preheat oven to 375 degree F

For the streusel:

  • Combine dry ingredients then add softened butter using a fork or your fingers. Mash into a wet paste. Place into the refrigerator.

For the filling:

  • Combine melted butter, brown sugar and cinnamon. Add diced apple and stir to incorporate. Set aside.

For the Muffin:

  • Combine flour, sugar, baking powder and salt in a bowl.
  • Melt the butter in the microwave and set aside.
  • In a large bowl, whisk eggs together with vanilla extract. Add sour cream and whisk to combine. Add in the melted butter and whisk again.
  • Add dry ingredients to the wet ingredients and gently mix to form a thick batter.
  • Line a standard size cupcake pan with cupcake baking liners. Spoon approximately two tablespoons of batter into the bottom of each cup. Top with 1 teaspoon of cinnamon apple filling and finish with one tablespoon of batter.
  • Remove streusel from refrigerator and crumble gently with your fingers to loosen it up. Cover each muffin with a heaping spoonful of streusel.
  • Bake in the oven at 375 degrees F for approximately 20 minutes, or until a toothpick inserted comes out clean.
  • Remove muffins from the oven and let cool for 5 minutes before removing to a cooling rack. Muffins taste especially good warm!