For the spinach with fried egg, potatoes and buttermilk jelly, first steam the spinach fresh or frozen in fat with onions until soft, season strongly with nutmeg, salt and freshly ground pepper.
For the buttermilk jelly, stir buttermilk, juice and zest of one lemon with 1 tsp rum, heat currant juice (unsweetened), let 2 to 3 sheets of soaked gelatine (5 g) melt, whisk into the buttermilk, season with sweetener and refrigerate.
Fry one fried egg per person. Prepare the potatoes as you like. For example, boiled potatoes or fried potatoes go well with spinach with fried egg, potatoes and buttermilk jelly.