Preheat oven to 400°
Mix flour, 2 tbsp sugar, the baking powder and salt in large bowl
Cut in butter with pastry blender or 2 knives until mixture resembles coarse crumbs
Mix 3 cups of the cereal and the milk in medium bowl
Let stand 3 minutes
Stir in egg
Add in flour mixture
Stir just until moistened. *Batter will be lumpy.*
Spoon evenly into 12 greased medium muffin cups (or use baking cups) filling each cup 2/3 full
Mix remaining 1/3 cup cereal, 1 tsp. sugar and the cinnamon in a small bowl - break cereal into smaller pieces if desired
Sprinkle cereal/sugar mixture evenly over muffins
Bake for 20 - 25 min. or until golden brown
Allow to cool
Enjoy!