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Blueberry Muffin Cookies with Streusel Topping

Blueberry Muffin Cookies with Streusel Topping are the best of both worlds: the soft, fluffy texture of a muffin combined with the convenience of a cookie.
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Equipment

  • Mixing bowls
  • - Hand or stand mixer
  • - Baking sheet
  • Parchment paper
  • - Cooling rack

Ingredients
  

  • **For the Cookies:**
  • - ½ cup unsalted butter softened
  • - ½ cup granulated sugar
  • - ¼ cup brown sugar packed
  • - 1 large egg
  • - 1 tsp vanilla extract
  • - 1 ½ cups all-purpose flour
  • - 1 tsp baking powder
  • - ½ tsp baking soda
  • - ¼ tsp salt
  • - ½ cup sour cream or Greek yogurt
  • - 1 cup fresh or frozen blueberries
  • **For the Streusel Topping:**
  • - ¼ cup all-purpose flour
  • - ¼ cup granulated sugar
  • - 2 tbsp unsalted butter cold and cubed
  • - ¼ tsp cinnamon optional

Instructions
 

  • **1. Preheat the Oven:**
  • - Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper.
  • **2. Make the Streusel Topping:**
  • - In a small bowl, combine flour, sugar, and cinnamon (if using). Cut in the cold butter with a fork or pastry cutter until the mixture resembles coarse crumbs. Set aside.
  • **3. Prepare the Cookie Dough:**
  • - In a large mixing bowl, beat the butter, granulated sugar, and brown sugar until creamy and fluffy.
  • - Add the egg and vanilla extract, mixing until fully combined.
  • - In a separate bowl, whisk together the flour, baking powder, baking soda, and salt. Gradually add the dry ingredients to the wet mixture, alternating with the sour cream. Mix until just combined.
  • - Gently fold in the blueberries.
  • **4. Form the Cookies:**
  • - Scoop the dough onto the prepared baking sheet, spacing them about 2 inches apart. Each scoop should be about 2 tablespoons.
  • **5. Add the Streusel Topping:**
  • - Sprinkle the prepared streusel topping over each cookie, pressing gently to adhere.
  • **6. Bake:**
  • - Bake in the preheated oven for 12-15 minutes, or until the edges are lightly golden and the tops are set.
  • **7. Cool and Serve:**
  • - Allow the cookies to cool on the baking sheet for 5 minutes before transferring to a cooling rack. Enjoy warm or at room temperature.