Food & Cooking Recipes Dessert & Treats Recipes Blueberry Crumb Topping 3.5 (26) 2 Reviews By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on September 28, 2016 Print Rate It Share Share Tweet Pin Email Yield: 1 9-inch cake Ingredients 1 ½ teaspoons ground cinnamon ½ teaspoon coarse salt ½ cup packed light-brown sugar 1 ½ cups all-purpose flour 12 tablespoons (1 ½ sticks) unsalted butter, room temperature Directions In a medium bowl, combine cinnamon, salt, sugar, and flour. Cut in the butter using your hands, two knives, or a pastry blender until well combined and crumbly. Rate it Print