Apple Streusel Muffins - cooking recipe

Ingredients

STREUSEL TOPPING
1/2 cup chopped walnuts
1/4 cup flour
3 tablespoons sugar
2 tablespoons butter, room temperature
1/4 teaspoon cinnamon
BATTER
1 1/2 cups flour
1/2 cup sugar
2 teaspoons baking powder
1 teaspoon cinnamon
1/4 teaspoon allspice
1/4 teaspoon baking soda
1/4 teaspoon salt
2 eggs
1 cup sour cream
1/4 cup melted butter
1 cup diced unpeeled tart apple

Preparation

Heat oven to 375 degrees F. Grease muffin cups or use paper liners.
Put streusel ingredients into a medium bowl. Mix with a fork and crumble with fingers. Set aside.
For the batter, mix flour, sugar, baking powder, spices, baking soda and salt in a large bowl.
Break eggs into another bowl. Add sour cream and melted butter and blend well. Stir in diced apple.
Pour egg mixture over dry ingredients and mix just until blended. Scoop batter into muffin cups. Top each muffin with 2 teaspoons of streusel topping.
Bake 20 to 25 minutes or until browned. A toothpick inserted in the center should come out clean.