Recipes: Grilled whole fish with tomato-fennel sauce

Preparation:        Preparation time: 20 mins  Cooking time: 33 mins  Serving: 8 Ingredients: 2 tablespoons canola oil 1 large white onion, thinly sliced (about 2 cups) 1 fennel bulb, thinly sliced (about 1 3/4 cups) 6 garlic cloves, thinly sliced (about 1/4 cup) 4 tomatoes, cut into 1-inch cubes (about 3 cups) 1 teaspoon chilli powder 1/2 teaspoon...