Chicken and vegetable tagine

If you’ve got a vegetarian member of the family, but everyone else prefers meat, this recipe will show you how to make one dish suit everyone.   Ingredients (serves 4): ¼ cup olive oil 1 brown onion, halved, thinly sliced 2 garlic cloves, crushed 2cm piece ginger, peeled, finely grated 3 teaspoons ground cumin 1 teaspoon…