Preheat the oven to 160℃.
Place oil in a large frying pan over medium heat. Add the mince to the pan and cook, stirring for 2-3 minutes until starting to brown. Add the diced mushrooms and cook, stirring for a further 2 minutes before adding the spices and salt. Continue cooking for 1-2 minutes until the mushrooms and meat are cooked through.
Add the water to the pan. Stir to combine then reduce heat to low and and simmer for 5 minutes or until the mixture thickens. Remove from the heat.
To make the pineapple salsa, combine the chopped pineapple, onion, mint and lime juice in a bowl.
Place taco shells on a tray and cook in the oven for 5 minutes or until golden and crisp.
To assemble the tacos, add the shredded lettuce and blended mince to the tacos. Top with the pineapple salsa.
0 servings