Black Bean Burgers with Chipotle Cream & Avocado

• Extra-virgin olive oil Extra-virgin olive oil
• 1 large red onion, finely chopped 1 large red onion, finely chopped
• 2 small red peppers, finely chopped 2 small red peppers, finely chopped
• 2 garlic cloves, finely chopped or crushed 2 garlic cloves, finely chopped or crushed
• 2 cans (each 475 g/15 oz) black beans, rinsed, drained and patted dry 2 cans (each 475 g/15 oz) black beans, rinsed, drained and patted dry
• 75 g/3 oz salted tortilla chips, crushed 75 g/3 oz salted tortilla chips, crushed
• 1 large egg 1 large egg
• 1 canned chipotle chilli pepper in adobo sauce, finely chopped with 1 teaspoon of the adobo sauce 1 canned chipotle chilli pepper in adobo sauce, finely chopped with 1 teaspoon of the adobo sauce
• 3 tablespoons chopped fresh coriander 3 tablespoons chopped fresh coriander
• 1 tablespoon tomato purée 1 tablespoon tomato purée
• 1 teaspoon ground cumin 1 teaspoon ground cumin
• ½ teaspoon sea salt ½ teaspoon sea salt

Chipotle Cream