For the cheddar sauce
- 40 g butter
- 40 g all-purpose flour
- 1 teaspoon(s) turmeric, ground
- 3 level teaspoon(s) mustard, English
- 350 ml milk
- 300 g cheddar, grated
- 1/2 teaspoon(s) salt
- 1/2 teaspoon(s) pepper
To serve
- 400 g nachos
- 1 tomato, finely chopped
- 1/4 bunch parsley, fresh, finely chopped
- 1 onion, finely chopped