While rice cooks, melt coconut oil over medium-high heat. Add onions and bell pepper and sauté until peppers start to sear.
Add garlic, corn, and mushrooms and continue cooking until veggies are cooked and lightly browned.
Stir in salt, chilli powder, paprika, cumin and half of the chopped coriander. Add rice and black beans. Stir and remove from heat.
Serve veggie filling, grated cheese, cherry tomatoes, coriander and avocado with lettuce using each leaf as a taco shell. Drizzle with BLACK MAMBA PINEAPPLE CHILLI SAUCE.