- 2 egg whites
- 1 1/4 cups packed brown sugar
- 1/4 cup maple syrup
- 3 tablespoons cold water
- 1/8 teaspoon cream of tartar
- 1/4 cup chopped walnuts
- Place egg whites, brown sugar, maple syrup, water, and cream of tartar in the top of a double boiler over boiling water. Beat with a mixer until frosting has a good spreading consistency, and will stand in peaks. Remove from heat.
- Fill and frost cake. Sprinkle the top with chopped nuts.