Indian Spiced Potato and Onion Soup (Slow Cooker)

preheat slow cooker on high					simmer in slow cooker 3hr until potato soft	season	blend	garnish
1 ²⁄₃tbsp 0.025l 25ml 5tsp 0.106cup 0.044pint vegitable oil	heat	cook 5min til soft	cook 5min stir often	fry 2min
1 ²⁄₃ onion	finely chop
1 ²⁄₃ cm ginger	peeled and diced
3 ¹⁄₃ large potatoes	dice 1cm cubes
3 ¹⁄₃tbsp 0.05l 50ml 10tsp 0.211cup 0.088pint cold water	mix into paste
3 ¹⁄₃tsp 0.017l 16 ²⁄₃ml 1.11tbsp 0.07cup 0.029pint ground cumin
3 ¹⁄₃tsp 0.017l 16 ²⁄₃ml 1.11tbsp 0.07cup 0.029pint ground coriander
⁵⁄₆ tsp 0.004 l 4 ¹⁄₆ ml 0.278 tbsp 0.018 cup 0.007 pint ground turmeric
1 ²⁄₃tsp 0.008l 8 ¹⁄₃ml 0.556tbsp 0.035cup 0.015pint ground cinnamon
2 ¹⁄₂ pints 6 cup 1.42 l 1421 ml 94.7 tbsp 284 tsp chicken stock
salt
1 ²⁄₃tbsp 0.025l 25ml 5tsp 0.106cup 0.044pint natural yoghurt
pepper