Here is a recipe from Taste of the South via Recipe.com.
For the Cinnamon Crumble:
- 1/2 cup all-purpose flour
 - 1/4 cup packed brown sugar
 - Scant 1/2 teaspoon ground cinnamon
 - 2 ounces (1/4 cup) cold unsalted butter, cut into small pieces
 
Streusel Topping
- 1/2 cup sugar or
 - 1/3 cup all-purpose flour
 - 1 teaspoon ground cinnamon
 - 3 tablespoons butter
 
Streusel Topping or Cinnamon Crumble: In a small bowl, combine sugar, flour, and cinnamon. Using a pastry blender, cut in butter until mixture is crumbly.
Ingredients
- 3 cups all-purpose flour
 - 1 cup sugar
 - 3 teaspoons baking powder
 - 1/2 teaspoon baking soda
 - 1/4 teaspoon salt
 - 3/4 cup milk
 - 3/4 cup sour cream
 - 1/2 cup butter, melted
 - 2 large eggs, lightly beaten
 - 1 12 cups blueberries, washed and dried
 - 1 recipe Streusel Topping or Cinnamon Crumble
 
Directions
- Preheat oven to 350 degrees F. Grease and flour an 18-cup muffin pan; set aside. (I actually used muffin liners for this job).
 
- In a mixing bowl, combine flour, sugar, baking powder, baking soda, and salt.
 
- In a small bowl, combine milk, sour cream, butter, and eggs; add to flour mixture, stirring just until combined. Gently fold in blueberries.
 
- Divide batter among cups of prepared pan. Sprinkle each muffin with Streusel Topping or Cinnamon Crumble.
 - Bake for 18 to 20 minutes, or until a toothpick inserted in center comes out clean. Remove from pan and let cool on wire racks.
 
- Enjoy!!!
 





