Bring a large saucepan of water to a simmer, add the vinegar, whisk the water so there is a well in the middle. Firstly break one egg into a small bowl then pour it into the well. Cook for about 4 minutes. Repeat with the next egg.
Toast your bagels.
Start to build your breakfast bagel, start with the spinach, then the tomato, onion, avocado, poached egg and cress. Then add some splashes of hot sauce and season with sea salt and some freshly ground black pepper.