Neapolitan layer cake

Ingredients

Ingredients for chocolate cake:

• 3/4 cup plus 2 tbsp. all-purpose flour
• 6 tbsp. dark cocoa powder
• 1 tsp. baking soda
• 1/2 tsp. baking powder
• 1/2 tsp. salt
• 1 cup sugar
• 1/4 cup vegetable or canola oil
• 1 large egg
• 1/2 cup black coffee
• 1/2 cup buttermilk
• 1-1/2 tsp. vanilla extract

Ingredients for the white cake:

• 2 large egg whites
• 1-3/4 cup all-purpose flour
• 1-1/2 tsp. baking powder
• 1/2 tsp. salt
• 1 cup sugar
• 8 tbsp. unsalted butter, at room temperature
• 3/4 cup very cold water
• 1/2 tsp. vanilla extract
• 1/4 tsp. almond extract

Ingredients for the strawberry cake:

• 1-1/4 cups plus 2 tbsp. all-purpose flour
• 1-1/4 tsp. baking powder
• 1/4 tsp. salt
• 1 cup sugar
• 1-1/2 oz. strawberry gelatin
• 8 tbsp. unsalted butter, at room temperature
• 2 large eggs
• 1/2 cup milk
• 1-1/2 tsp. vanilla extract
• 1/4 cup sweetened strawberry puree*

*Ingredients for the strawberry puree:

• 2 pounds fresh strawberries, hulled
• 4 cups white sugar
• 1/4 cup lemon juice

Ingredients for the strawberry buttercream frosting:

• 1-1/2 cups fresh strawberries (8oz.), rinsed, hulled and coarsely chopped
• 4 large egg whites
• 1-1/4 cups sugar
• 3 sticks (1-1/2 cups) unsalted butter, at room temperature