Preheat oven to 375 degrees.

Coat the edges, sides, bottoms, etc. of six 3-inch muffin cups (or use a large muffin pan) with cooking spray for baking.

Sift into a medium bowl…

  • 1 3/4 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon apple pie spice

In the large bowl of a stand mixer, beat until light and fluffy…

  • 1 1/4 cup sugar
  • 1/2 cup unsalted butter, softened
  • 1 teaspoon pure vanilla extract
  • 1/2 teaspoon salt

Beat in…

  • 2 eggs, one at a time

Alternative between ingredients, stir in until combined…

  • flour mixture from earlier
  • 1/2 cup milk

Fold in…

  • 2 cups apples, peeled, cored and sliced
  • 3/4 cup walnuts, chopped

Scoop into prepared muffin cups to fill 3/4 full.

For the topping, in a small bowl combine with pastry blender, until butter is the size of small peas…

  • 1/4 cup sugar
  • 1/2 teaspoon apple pie spice
  • 3 tablespoons all-purpose flour
  • 2 tablespoons cubed butter, cold

Add…

  • 1/2 cup walnuts, chopped

Top the muffin batter with mixure.

Bake for 30 minutes or until tops are golden brown. A toothpick inserted into the center comes out clean when they are finished baking. If they are brownin too quickly, loosely cover with foil.

Remove muffins from pans and allow to cool on wire rack.