
Heat oil in a large skillet, add onions and sauté until soft, about 10 minutes. Add paprika, stir and cook for 2 minutes. Add half of the canned tomatoes and cook uncovered for 10 minutes. Pour mixture into blender or food processor and blend until almost smooth.
Pour blended mixture back into skillet and add remaining tomatoes, garlic and wine and cook uncovered until reduced, about 20 minutes.
Add water, clam juice and potatoes and cook covered until potatoes are just tender, 10-15 minutes depending on size.
Stir in salt, sugar, pepper and chili flakes, adjust seasoning and consistency by adding a little more water if necessary.
Add shrimp and cook uncovered for about 3 minutes depending on size. Serve immediately with crusty bread. Enjoy!