Curried parsnip soup

Name: Curried parsnip soup
Prep time: 10 min
Cook time: 1 h 20 min
Total time: 1 h 30 min
Cuisine: Italian
Ingredients: 1 tbsp mild curry powder (or to taste); Salt and freshly ground black pepper; Low calorie cooking spray; 1 tsp each of ground cumin, tumeric, coriander and ginger; 2 onions; 700g parsnips; 1.1 litre chicken or vegetable stock; 2 garlic cloves; A dash of Tabasco and a pinch of cayenne pepper