Apple Pie Muffins

best ever apple pie muffins-

Topping

1/2 cup firmly packed brown sugar

1/3 cup all-purpose flour

1/4 cup unsalted butter, melted

1 teaspoon cinnamon

Muffins

1 1/2 cups firmly packed brown sugar

2/3 cup vegetable oil

1 egg

1 1/2 teaspoons vanilla

2 1/2 cups all-purpose flour

1 teaspoon baking soda

1/4 teaspoon salt

1 cup buttermilk

2 cups diced peeled firm tart apples (such as Spy, Granny Smith)

-Topping: In a small bowl toss together sugar, flour, butter and cinnamon until crumbly; set aside.

-Muffins: In a large bowl whisk together brown sugar, oil, egg and vanilla until smooth.-In a separate bowl, sift together flour, soda and salt.-Stir oil mixture into flour mixture alternately with buttermilk.

-Fold in apples, mixing just until combined.-Spoon into greased muffin cups filling 3/4 full.-Sprinkle topping over evenly.-Bake at 350°F for 25-30 minutes or until golden brown and tops spring back.