Name: Blueberry Crumb Blondies
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Yield: 16 bars
Ingredients: ½ cup (1 stick) unsalted butter; 1 cup light brown sugar (packed); 1 large egg; 1 tablespoon vanilla extract; 1 cup all-purpose flour; 1 teaspoon cinnamon; ¼ teaspoon kosher salt; ½ cup fresh blueberries; ¾ cup all-purpose flour; ¼ cup light brown sugar; ½ teaspoon baking powder; 4 tablespoons ½ stick unsalted butter, melted