Rinse beans and bring the boil in a large pot, then simmer for 2 hours, or until soft (this depends on how fresh the beans are).
Spoon the foam off the top as it boils.
Drain and rinse beans and set aside
Bring the quinoa to a boil in a small pot (watch the water levels-make sure it doesn't dry out and burn) allow to simmer for about 15 minutes, then turn off the stove and allow to sit for another 10 minutes
Drain quinoa and pour lime juice on top, and stir through half of the coriander. Set aside
In a fry pan, saute the onions, zucchini, cumin, chilli and garlic
Add the kidney beans, and crushed tomatoes and simmer until the zucchini is soft
Layer the quinoa, shredded lettuce, beans, avocado, diced onion and capsicum and top with another squeeze of lime, and more coriander.