Cut the meat into small cubes. Mix 1/4 tsp. salt, sugar, paprika and meat, cover and chill. Wash parsley, shake dry and pluck the leaves from 4 stems.
Finely chop parsley leaves, anchovy fillets, capers and gherkins. Peel and finely dice the shallots. Blanch the diced shallots in boiling salted water for about 1 minute, then pour into a sieve.
Chop the meat finely and mix with the anchovy mix. Mix meat, ketchup, egg yolks, 1/2 tsp. mustard and anchovy mix and season with salt and pepper. Cover the tartar and chill. Butter slices of bread and fry until golden brown and crispy in a pan.
Cut the bread in half and let it cool down a little. Mix 1 tbsp. mustard and crème fraîche and season with salt, pepper and lemon juice. Spread tartar on the bread halves, sprinkle with coarse pepper and garnish with parsley.
Add mustard cream.