Ingredients
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1/2 cup chopped walnuts
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1/3 cup all-purpose flour
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3 tablespoons sugar
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2 1/2 tablespoons butter, room temperature
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3/4 teaspoon cinnamon
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1 1/2 cups all-purpose flour
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1/2 cup granulated sugar
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2 teaspoons baking powder
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1 1/2 teaspoons cinnamon
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1/2 teaspoon allspice
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1/4 teaspoon baking soda
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1/4 teaspoon salt
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2 large eggs
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1 cup Greek yogurt or 1 cup sour cream
Instructions
- Preheat oven to 375 degrees F.
- Butter muffin cups or line with muffin liners.
- Put streusel topping ingredients into a medium-size bowl.
- Mix with a fork, then crumble with fingers until mixture looks like chopped walnuts.
- For muffins: thoroughly mix flour, sugar, baking powder, cinnamon, allspice, baking soda, and salt in a large bowl.
- Break eggs into another bowl.
- Add yoghurt and melted butter, and whisk until well blended.
- Stir in diced apple.
- Pour egg mixture over flour mixture and fold in just until dry ingredients are moistened.
- Scoop batter into muffin cups.
- Top each muffin with about 2 teaspoons of the streusel topping.
- Bake for 25 minutes, or until done.