Heat oil, saute onion and garlic add in wax beans and water, bring to boil
Add in sausages and spices, adjust to taste and cook until beans are tender
Make roux by dry frying flour and paprika, then add in hot water, stir and cook to thicken
Pour roux into pot and cook 10 mins more, adjust the taste
Toast buns or bread, and serve with hot wax bean soup