Take kernels of walnuts, and cloves of garlic, and pepper, bread, and salt, and cast all in a mortar, and grind it small & mix it up with the same broth that the fish was sodden in, and serve it forth.
0,5 dl ground walnuts
2 cloves of garlic
3 dl bread crumbs
1 teaspoon pepper
½ teaspoon salt
3 dl fish stock
Make fish stock if you don’t have stock already. Use for example 0,5-1 stock cubes for boiling water to make stock. Blend/grind in mortar everything together, heat and serve.
(Take a thousand eggs or more, II Volume, Ashmole MS. 1439)