In large deep frying pan, heat oil on medium. Saute onion 3 to 4 mins until tender. Stir in seasoning and paste, cook 1 min. Spoon half into a second pan.
Increase heat of 1 pan to high. Add mince and brown 5 mins, breaking up lumps. Add mushrooms, to second pan, cook 4 to 5 mins.
Stir a can of tomatoes into each pan. Simmer 10 mins until thickened slightly. Stir beans into mushroom mixture.
GUACAMOLE
In a bowl, mash avocado with juice and season.
TOMATO SALSA
In a bowl, combine all ingredients.
Serve chicken and veggie mixtures on a platter with guacamole, salsa, corn chips, lettuce, cheese, sour cream and fresh coriander sprigs.