Roast Cauliflower Soup

Ingredients 1 large cauliflower cut in small florets 1 large onion chopped in two 3 garlic cloves, peeled and rap in foil paper 1/4 cup of pumpkin seeds roasted Pinch of black pepper 2 cups of vegetable stock 1 1/2 cups of soya single cream or coconut milk if preferred Pinch of salt to taste