Chop up the tomato and onion to make the salsa, combine with lemon juice and a pinch of salt and pepper and set aside.
Mix all seasoning ingredients and put it in an airtight container. *4
Mix ketchup, 1 tbsp of taco seasoning and 1/2 cup of water in a mixing bowl and set aside.
Heat a frying pan over high heat and add olive oil and cook the onion.
Add the beef mince to the frying pan to cook.
Once the ground beef is cooked, add taco seasoning mix to the frying pan and stir.
Bring it to simmer and cook for a further 10-12 minutes to reduce the liquid and allow it to thicken.
Turn the heat off and set it aside.
Serve 1/2 of the rice on a plate or a bowl and place the shredded lettuce, avocado, Taco beef and top with salsa and shredded cheese.
*1 Does not have to be ice burg lettuce. I used just salad leaves for update photos. *2 Mozzarella cheese can be substituted the cheese you have in your fridge. I used tasty cheese. *3 If you don't have purple onion, can be substituted with brown onion like I did.*4 It will make about 2-3 tbsp mix. This recipe only requires 1 tbsp of the mix.