Heat the oil in a casserole dish and brown the sausages on all sides. Remove and set aside.
Fry the onion and celery in the casserole for 3 minutes, until beginning to soften. Stir in the garlic, paprika and yellow pepper and cook for a further minute.
Add the Heinz Beanz, BBQ sauce and sausages back in the pan and bring to a simmer. Transfer to the oven and cook for 15 minutes.
To make the dumplings; in a bowl combine the flour, suet, herbs and seasoning and bring together to form a soft dough with approximately 150ml of cold water. Add the water gradually as it may take a little less.
Form the dumplings into 10 balls. Remove the lid from the casserole and place the dumplings on top. Cook, uncovered for 15-20 minutes. The dumplings are cooked when a knife comes out clean.