Drain the peppers and mushrooms. Heat the oil in a pan. Add fish fingers and fry for 5-8 minutes until golden brown. In the meantime, boil 4 cups of water and salt for the puree.
Remove the pot from the heat and add the fat. Stir in the puree flakes and let it swell for about 1 minute. Then stir again. Finely grate the gherkin. Stir mushrooms, paprika and gherkin into the puree.
Season to taste with pepper. Wash the dill, dab dry and chop finely, except for a little to garnish. Arrange fish fingers and puree on plates. Sprinkle dill on top. Serve garnished with a slice of lemon and a flag of dill.
Cream horseradish tastes good with it.