The stock was made with onion, shallot, carrot and fennel sauteed in olive oil to soften them, added tomato paste, the shrimp shells and heads then sauteed few minutes. Then I added wine, 1 chili pepper and water and let it cook before I strained and reduced it a bit.
Sauce was made with sauteed shallot in butter, added flour and then stock, let it cook a minute then added cream. Taste with salt, black pepper, applecider vinegar and dill.
http://i.imgur.com/hRsG4.jpg https://i.imgtc.com/zZQ38Hb.jpg
http://i.imgur.com/Z4cir.gif http://i.imgur.com/qEyGS.gif https://imgur.com/37KDT