Start by rinsing the quinoa under running water for at least 30 seconds. This removes the natural coating that can taste bitter. Drain well before cooking to avoid excess water.
In a saucepan, combine quinoa, coconut milk, water, and a pinch of salt. Bring to a gentle boil, then reduce heat and let it simmer. Stir occasionally until the quinoa becomes soft and creamy.
Once the quinoa is cooked, stir in vanilla extract and cinnamon. Let it cook for another minute so the flavors blend well. The porridge should have a thick, creamy consistency.
Heat coconut oil or butter in a skillet over medium heat. Add banana slices and sprinkle sugar over them. Cook until they turn golden brown and slightly sticky.
Pour the warm quinoa porridge into bowls and top with caramelized bananas. Add optional toppings like nuts or coconut flakes. Serve immediately for the best taste and texture.