Coffee Infused Tres Leches Cake - Rick Bayless

Ingredients

• 1 cup all-purpose flour
• 3/4 cup sugar
• 1 1/2 teaspoons baking powder
• Salt
• 4 eggs at room tempterature
• 1/4 cup vegetable oil
• 1/4 teaspoon vanilla extract, preferably Mexican
• 1/2 teaspoon cream of tartar
• 1 cup heavy cream
• 1 14-ounce can evaporated milk
• 1 14-ounce can sweetened condensed milk
• 1/2 cup freshly brewed espresso or strongly brewed coffee
• 1 teaspoon vanilla extract preferably Mexican
• 1/4 teaspoon cinnamon, preferably freshly ground Mexican canela
• 1 cup sugar
• 5 egg whites at room temperature
• 1/2 cup shaved Mexican chocolate