Beetroot: 100g (1 medium, grated), Black beans (canned, drained): 120g (1/2 cup), Quinoa (cooked): 30g (2 tbsp), Onion: 25g (1/4 cup, diced), Garlic: 3g (1 clove, minced), Egg: 25g (1/2 large), Oats (rolled): 15g (2 tbsp), Cumin: 1g (1/4 tsp), Paprika: 1g (1/4 tsp), Olive oil: 5ml (1 tsp), Whole grain bun: 50g (1 small), Lettuce: 10g (2 leaves), Tomato: 20g (2 slices), Greek yogurt (plain, low-fat): 15g (1 tbsp), Salt: 1g (pinch), Black pepper: 1g (pinch)