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Blackberry Muffins with Oatmeal Streusel Recipe

Blackberry Muffins with Oatmeal Streusel Recipe

4.8 from 12 reviews

These Blackberry Muffins with Oatmeal Streusel are a delightful treat perfect for breakfast or a snack. Moist, tender muffins bursting with juicy blackberries and topped with a crunchy oat streusel.

Ingredients

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For the muffins:

  • 2 cups all-purpose flour
  • 1/2 cup granulated sugar
  • 1/4 cup brown sugar (packed)
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 2/3 cup whole milk
  • 1/2 cup plain Greek yogurt or sour cream
  • 1/3 cup vegetable oil
  • 2 large eggs
  • 1 1/2 teaspoons vanilla extract
  • 1 1/2 cups fresh or frozen blackberries (halved if large)

For the streusel topping:

  • 1/3 cup old-fashioned rolled oats
  • 1/4 cup all-purpose flour
  • 1/4 cup brown sugar
  • 1/2 teaspoon cinnamon
  • 3 tablespoons unsalted butter (cold and cubed)

Instructions

  1. Preheat the oven and prepare the muffin tin: Preheat the oven to 375°F (190°C) and line a 12-cup muffin tin with paper liners.
  2. Prepare the muffin batter: In a large bowl, whisk together the dry ingredients. In another bowl, whisk together the wet ingredients, then combine the wet and dry ingredients. Gently fold in the blackberries.
  3. Add the streusel topping: Mix the streusel ingredients in a bowl and sprinkle over the muffin batter.
  4. Bake the muffins: Bake for 18–22 minutes until a toothpick inserted into the center comes out clean. Cool before serving.

Notes

  • If using frozen blackberries, do not thaw before adding to the batter.
  • Best consumed within 2 days or freeze for up to 2 months.

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