Pork goulash with herby dumplings

INGREDIENTS

• 2 tbsp olive oil
• 1½kg pork tenderloins , cut into strips
• 2 onions , cut into thin wedges
• 4 garlic cloves , crushed
• 1-2 tbsp smoked paprika
• 500ml beef stock
• 2 x 400g cans chopped tomatoes
• 1 tbsp sugar
• 3 peppers , chopped
• 250g self-raising flour
• 140g shredded suet
• 1½ tsp baking powder
• small bunch oregano , most leaves chopped