Indian Spiced Potato and Onion Soup (Slow Cooker)

preheat slow cooker on high					simmer in slow cooker 3hr until potato soft	season	blend	garnish
⁵⁄₆tbsp 0.013l 12 ¹⁄₂ml 2 ¹⁄₂tsp 0.053cup 0.022pint vegitable oil	heat	cook 5min til soft	cook 5min stir often	fry 2min
⁵⁄₆ onion	finely chop
⁵⁄₆ cm ginger	peeled and diced
1 ²⁄₃ large potatoes	dice 1cm cubes
1 ²⁄₃tbsp 0.025l 25ml 5tsp 0.106cup 0.044pint cold water	mix into paste
1 ²⁄₃tsp 0.008l 8 ¹⁄₃ml 0.556tbsp 0.035cup 0.015pint ground cumin
1 ²⁄₃tsp 0.008l 8 ¹⁄₃ml 0.556tbsp 0.035cup 0.015pint ground coriander
⁵⁄₁₂ tsp 0.002 l 2 ¹⁄₁₂ ml 0.139 tbsp 0.009 cup 0.004 pint ground turmeric
⁵⁄₆tsp 0.004l 4 ¹⁄₆ml 0.278tbsp 0.018cup 0.007pint ground cinnamon
1 ¹⁄₄ pints 3 cup 0.71 l 710 ml 47.4 tbsp 142 tsp chicken stock
salt
⁵⁄₆tbsp 0.013l 12 ¹⁄₂ml 2 ¹⁄₂tsp 0.053cup 0.022pint natural yoghurt
pepper