1Heat oven to 400°F. Spray 15 regular-size muffin cups with cooking spray. In medium bowl, mix flour, cornmeal, granulated sugar, 1/4 cup peanuts, the raisins, baking powder and nutmeg.
2In medium bowl, beat eggs slightly. Stir in sweet potato, milk and oil until well blended. Add to dry ingredients all at once; stir just until dry ingredients are moistened. (Batter will be lumpy.) Fill muffin cups 3/4 full.
3In small bowl, mix topping ingredients. Sprinkle evenly over muffins.
4Bake 15 to 20 minutes or until toothpick inserted in center comes out clean. Remove from pan. Serve warm.