Feta and potato cake with creme fraiche, smoked salmon, red onion marmalade and pickled turnips - 9K

Ingredients

• 2 medium potatoes, peeled and boiled
• 2 tablespoons feta
• ¼ bunch dill, finely chopped
• salt and pepper
• 1 tablespoons sour cream or crème fraîche
• 4 slices smoked salmon
• 1 teaspoons red onion marmalade (see below for recipe)
• sliced turnips for garnish
• 3 large Spanish onions, sliced
• 3 tablespoons white sugar
• 1 cup red wine