Tres Leches Cake

For Cake:

1. Preheat oven to 350 degrees F.
    
2. Beat egg whites until peaks form. Add sugar gradually.
    
3. Add egg yolks, and beat 3 minutes.
    
4. Combine flour and baking powder; add to egg mixture alternately with milk.
    
5. Pour batter into well greased 9 x 13-inch pan.
6. Bake at 350 degrees F for 30 to 40 minutes.

For Sauce:

1. Pour evaporated milk, sweetened condensed milk, and crema media into blender; blend.
    
2. Punch holes in cake with toothpick while still warm, and pour sauce over cake.
    
3. Allow cake to cool in refrigerator before frosting.

For Frosting:

1. Mix egg whites, salt, corn syrup, sugar, water, and vanilla in the top of double boiler.
    
2. Cook for 7 to 10 minutes while beating constantly.
    
3. Frost cake.
    
4. Keep refrigerated.