Mexican beef meatballs

Ingredients (4 servings): 500g lean beef mince 2 x 125g cans red kidney beans, drained, rinsed 1 small red onion, chopped 2 tablespoons fresh flat-leaf parsley leaves 3/4 cup chunky mild tomato salsa 1 tablespoon olive oil 1 medium avocado, halved, peeled 2 tablespoons reduced-fat sour cream Salad, to serve   Method: Process mince, beans,…