Apple Coffee Cake

Recipe View Preheat oven to 350°F (175°C). Grease and flour an 8-inch square baking pan. (5 minutes)

Recipe View In a medium bowl, whisk together 1 cup flour, ¾ teaspoon cinnamon, baking soda, and salt. Set aside. (5 minutes)

Recipe View In a large bowl, cream together ¾ cup brown sugar and softened butter until light and fluffy using an electric mixer. (7 minutes)

Recipe View Beat in the egg, then stir in sour cream, yogurt, and vanilla extract until well combined. (3 minutes)

Recipe View Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Fold in the diced apples. (5 minutes)

Recipe View Pour the batter into the prepared baking pan and spread evenly. (2 minutes)

Recipe View In a separate small bowl, combine ¼ cup brown sugar, ¼ cup flour, ½ teaspoon cinnamon, and cold butter pieces. Use a fork or your fingers to cut the butter into the dry ingredients until the mixture resembles coarse crumbs. (8 minutes)

Recipe View Sprinkle the crumb topping evenly over the batter. (2 minutes)

Recipe View Bake in the preheated oven for 35-40 minutes, or until a wooden skewer inserted into the center comes out clean. (40 minutes)

Recipe View Let the cake cool in the pan on a wire rack for at least 15 minutes before slicing and serving. (15 minutes)