Step 1 Preheat oven to 180°C. Line a large baking tray with baking paper. Place broccoli, capsicum and mushrooms on tray; spray with olive oil and season with black pepper. Roast veg in oven for 20–25 minutes, or until soft.
Step 2 Meanwhile, place beans in a food processor with lemon zest, sun-dried tomatoes, paprika, flour and coriander; blend, scraping down sides of processor bowl, until well combined. Wet hands and shape bean mixture into 8 patties, each about 2cm thick.
Step 3 Heat 1 tablespoon olive oil in a large frying pan over medium–high heat. Cook patties for 5–10 minutes per side, or until golden. Mix lemon juice, sour cream and sweet chilli sauce in a small bowl.
Step 4 Serve bean patties sweet-chilli sour cream and roast veg.