Limeade Cake with Vanilla Frosting and Toasted Coconut

INGREDIENTS

For cake:

2 1/4 cups

all-purpose flour

1 tsp

baking powder

1/2 tsp

baking soda

1/2 tsp

salt

1 1/3 cups

granulated sugar

6 tbsp

butter, softened

1 tbsp

lime zest (from about 2 limes)

4 tbsp

thawed limeade concentrate

2 tsp

vanilla extract

large eggs

large egg whites

1 1/4 cups

buttermilk

For frosting:

2 tbsp

butter, softened

1 tsp

vanilla extract

8 oz

cream cheese (I used ⅓ less fat.)

4 tbsp

coconut milk

4 1/2 cups

powdered sugar (more may be needed for correct consistency)

3 cups

sweetened shredded coconut, toasted