Cauliflower and Potato Curry (Aloo Gobi)

Ingredients

• 1 onion, chopped or thinly sliced
• 1 14.4 oz (411 g) can chopped tomatoes, or 1 1/2 c (270 g) freshly chopped tomatoes
• 1/8 tsp (0.6 mL) cayenne pepper
• 1/4 tsp (1.2 mL) cinnamon
• 1/4 tsp (1.2 mL) ground ginger
• 1/2 tsp (2.5 mL) ground coriander
• 1/2 tsp (2.5 mL) turmeric
• 1/2 tsp (2.5 mL) cumin seeds
• 3 cups cauliflower, broken or cut into bite-size florets
• 2 potatoes chopped (peeling optional)
• 1/2 tsp (2.5 mL) salt