simply sinful cinnamon muffins -- http://www.kingarthurf... These muffins feature a luscious center of moist, rich cinnamon filling. Add a confectioners' sugar glaze once they're cool, if you like, but they're really just as good with simply their streusel topping. Topping 1/3 cup brown sugar, packed 1/4 cup diced pecans 1/4 cup rolled oats 1/2 cup King Arthur Unbleached All-Purpose Flour 3 tablespoons soft butter Filling 1/2 cup Baker's Cinnamon Filling mix* 3 to 4 tablespoons water *Or substitute 3 tablespoons butter, 1/2 cup brown sugar, and 1 1/2 tablespoons ground cinnamon for the Baker's Cinnamon Filling mix and water. Batter 1/2 cup (1 stick) butter, melted 3/4 cup milk 2 large eggs 1 3/4 cups King Arthur Unbleached All-Purpose Flour 1/2 cup rolled oats 2 tablespoons Signature Secrets(r) Culinary Thickener or cornstarch 3/4 cup granulated sugar 1 tablespoon baking powder 1/2 teaspoon salt 1/4 teaspoon ground nutmeg 1/2 cup cinnamon chips or butterscotch chips Preheat your oven to 400°F. Line a 12-cup muffin pan with cupcake papers, or grease it lightly. Prepare the topping by mixing the ingredients together until crumbly. Set aside. Prepare the filling by mixing the Baker's Cinnamon Filling with enough water to make filling with a soft, pudding-like consistency. Set it aside. To make the batter: In a large bowl, whisk together the melted butter, milk, and eggs. In a separate bowl, whisk together the dry ingredients, including the chips. Add the dry mixture to the liquid, stirring just until combined. Divide half the batter evenly among the muffin cups. Dollop 2 teaspoons cinnamon filling onto each muffin, then top with the remaining batter. Sprinkle with topping, pressing it in lightly. Bake the muffins for 20 to 25 minutes, or until they're golden brown. Remove them from the oven, and wait 5 minutes before transferring them from the pan to a rack to cool. Yield: 12 muffins.