Place a medium saucepan over a medium high heat and add in the oil, garlic, and bell pepper.
Sauté for a few minutes to soften.
Add the tomato sauce, water, chili powder, cumin, paprika, vinegar, honey and cayenne pepper and whisk together thoroughly, reduce heat to low, and simmer for about 20 mins.
Heat a large frying pan over a medium high with a tiny spray of oil and add the chicken breasts, fry each side just for a couple of minutes until lightly browned.
Add the spicy tomato sauce from the saucepan imto the sauté pan with the chicken and cook a few more minutes.
Gently mix in the quinoa and beans.
Cover and cook on low heat for an additional 15 min, or until the chicken is cooked through and the quinoa is fluffy and has absorbed all the sauce.
Top with avocado and sliced green onion.