Shallot, sweet potato and halloumi burgers Author: http://ukshallot.com/ Ingredients 400g echalion shallots, peeled and halved 250g pack halloumi, sliced into 8 1 large or 2 small sweet potatoes, thinly sliced 1 red chilli, deseeded and chopped Handful fresh mint leaves, chopped Zest 1 lime, grated Juice ½ lime Olive oil to drizzle 1 large ripe