Slice bell peppers into thin strips. Melt butter in a large saucepan , add onion and cook about 5 minutes. Add peppers, tomato, season with salt and pepper and cook for an additional 5 minutes. Add cognac and rice and cook for 3 minutes. Then add chicken stock and cook for 25 minutes. Add cream, cayenne and paprika and cook another 20 minutes. Puree soup in batches in a blender. Strain through a fine mesh seive if desired. Check for seasonings. GHarnish with fresh parsley.