Preheat oven to 425º.
Grease 16 muffin tins; set aside. (Or use paper liners and spray each with cooking spray).
In a large mixing bowl, combine flour, oatmeal, baking powder, salt, brown sugar, cinnamon and nutmeg.
Set aside.
In a medium mixing bowl, whisk butter, egg, maple extract and half and half.
Add maple syrup, pecans and pears and stir well to combine.
Add pear mixture to flour mixture and stir just until moistened.
Spoon batter evenly among the 16 muffin tins.
Bake at 425º for 5 minutes.
Reduce heat to 350º.
Bake approximately 15-20 minutes longer, or until a toothpick inserted in center comes out clean.
Cool completely before removing muffins from pan.
Transfer muffins to a wire rack.
Drizzle Cinnamon Icing over top of cooled muffins.
Store in air-tight container.