To make the mac and cheese
Dice and steam sauté the onion with a splash or two of water or wine, no oil is needed, no need to bother with the extra empty calories.
Add warm onions and rest of ingredients to high-powered blender.
Blend all ingredients for couple minutes making sure mixture is wicked smooth.
Add about half of the sauce to the drained hot pasta and mix well.
To make the taco platter
Preheat oven to 180°C/350°F/gas mark 4.
Warm the tortillas and fill each compartment in the cast iron pan.
Spoon the mac and cheese into each tortilla mould.
Sprinkle the tops with powdered hot sauce and sriracha.
Bake at 177ºC/350ºF/gas mark 4 for 15 minutes.
Remove and add more sriracha as desired, topping with the cabbage shreds and basil.