Souffle Pancakes with Caramelized Banana-Walnut Topping - Diamond Nuts

Ingredients

• 2 egg yolks
• 2 tablespoons buttermilk
• 1 teaspoon vanilla extract
• 1/3 cup cake flour
• 1 teaspoon baking powder
• 1/8 teaspoon ground nutmeg
• 1/8 teaspoon kosher salt
• 4 egg whites
• 1 teaspoon cream of tartar
• 1/4 cup granulated sugar
• 1 tablespoon plus 2 teaspoons coconut oil
• 1 large banana, peeled and diced
• 3/4 cup pure maple syrup
• 1/2 cup chopped walnuts