Mumbai Street Toastie | Marion's Kitchen

Name: Mumbai Street Toastie | Marion's Kitchen
Prep time: 15 min
Cook time: 45 min
Total time: 60 min
Yield: 4
Ingredients: 2 cups leftover mashed potato; 3 tbsp vegetable oil; 1 tsp yellow mustard seeds; 1/2 tsp cumin seeds; 10 fresh curry leaves; 1/2 tsp ground turmeric; 1/2 tsp chilli powder; sea salt and pepper, to taste; 8 slices of white bread; softened butter, for spreading; 2 tomatoes, thinly sliced; 1/2 a red onion, thinly sliced; 8 thin rings of green capsicum, (about 1/2 a large capsicum); 8 slices Swiss cheese; Green chutney:; 1 packed cup chopped coriander, including stems; 1/2 cup packed mint leaves (or just use extra coriander); 2 cloves of garlic, chopped; 1 tsp chaat masala*; 2-3 small green chilies, chopped, or to taste; 11/2 tbsp lemon juice; 1 tsp salt