Masala Chips - Cooking like a Boss

A very addictive side dish or starter. Don't pre-judge too harshly by the presence of tomato ketchup...

350g 0.35kg 0.772lb 12.3oz chips	cooked as usual				coat
1 tbsp 0.015 l 15 ml 3 tsp 0.063 cup 0.026 pint oil		saute til light brown	heat for a few seconds	stir and thicken
1 onion	finely chopped
2 cloves garlic	finely chopped
1 tsp 0.005 l 5 ml ¹⁄₃ tbsp 0.021 cup 0.009 pint curry powder
¹⁄₂ tsp 0.003 l 2 ¹⁄₂ ml ¹⁄₆ tbsp 0.011 cup 0.004 pint crushed chilli or paprika or chilli powder
¹⁄₂ tsp 0.003 l 2 ¹⁄₂ ml ¹⁄₆ tbsp 0.011 cup 0.004 pint turmeric
¹⁄₂ tsp 0.003 l 2 ¹⁄₂ ml ¹⁄₆ tbsp 0.011 cup 0.004 pint salt
¹⁄₂ tsp 0.003 l 2 ¹⁄₂ ml ¹⁄₆ tbsp 0.011 cup 0.004 pint black pepper
2 tbsp 0.03 l 30 ml 6 tsp 0.127 cup 0.053 pint tomato ketchup
2 tbsp 0.03 l 30 ml 6 tsp 0.127 cup 0.053 pint water