Chocolate Banana Skillet Cake – 1 1/2 cups (198g) gluten free baking flour (or regular all purpose flour) – 3/4 cup (75g) unsweetened cocoa powder – 1 tsp baking powder – 1/2 tsp baking soda – 1/4 tsp kosher salt – 1/4 cup (60g) regular or plant-based milk – 1/2 tbsp white or apple cider vinegar – 3/4 cup (150g) granulated sugar (or coconut sugar) – 1/4 cup (60g) coconut oil, melted – 1 1/2 cups (385g) finely mashed ripe banana (about 3–4 bananas) – 1 tsp vanilla extract – 1/4 cup (55g) hot coffee or hot water – 1 cup (250g) Chocolate SunButter – 2 ripe bananas, for topping