Sugar-Crusted Lime Cake

Directions

1. 1
   Heat oven to 350F.
2. 2
   Spray a 9-inch round cake pan with non stick cooking spray, dust with flour.
3. 3
   In a small bowl, combine egg whites and 1/2 tsp baking powder; beat until stiff peaks form; set aside.
4. 4
   Lightly spoon flour into measuring cup and level off.
5. 5
   In a large bowl, combine flour and remaining cake ingredients.
6. 6
   Beat at low speed until moistened, beat for 2 minutes at medium speed.
7. 7
   Gently fold in egg whites into batter.
8. 8
   Pour into prepared pan.
9. 9
   Bake at 350F for 27 to 35 minutes or until toothpick inserted in the center comes out clean.
10. 10
    In a small bowl, combine topping ingredients; spread over hot cake.
11. 11
    Cool cake completely in the pan on a wire rack.