Pork potato kofte

Name: Pork & potato kofte
Ingredients: FOR THE MEATBALLS; 600g potatoes; 3 onions (300g); 1 teaspoon cumin seeds; 1 teaspoon smoked paprika; 500g pork mince; 5g fresh flat-leaf parsley, finely chopped; FOR THE BLACK-EYED BEANS; 1 onion (100g), finely diced; olive oil; 2 x 400g tins of black-eyed beans; 300g frozen spinach; 1 lemon