Salted Caramel Skillet Cake

Ingredients

• coconut oil (for coating the skillet)
• 2 cups cake flour
• 1 cup, plus 2 tablespoons packed brown sugar
• 1/2 cup vegan margarine
• 2 tablespoons applesauce
• 2 teaspoons ground flaxseed
• 2 tablespoons whole wheat flour
• 1 1/4 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon sea salt
• 1 cup coconut milk (from a carton, not a can)
• 2 tablespoons coarse sea salt (for sprinkling)