Spicy Black Bean Burgers - Meat Free Monday

Ingredients

• 250 g (1½ cups) cooked black beans (equivalent to 1 x 400 g/15oz/standard can of drained black beans)
• 50 g (⅔ cups) oats
• 100 g (⅔ cups) red onion (about 1 red onion)
• 200 g (1½ cups) carrots (about 2 medium carrots or 3 little ones)
• 5 cloves garlic
• 1 teaspoon cumin
• 1 tablespoon tomato paste
• 1 tablespoon chipotle paste (or to taste). Alternatively, 1 tablespoon tomato paste, BBQ sauce or similar
• salt and pepper to taste
• plant-based sriracha mayo, optional, to serve