Wash the pears, quarter them, cut out the core. Cut the flesh into slices. Sprinkle with lemon juice. Dice bacon finely. In a frying pan, leave to drain until crispy. Add the pear wedges and toss in.
For the fritters, peel the potatoes and grate them coarsely. Mix with egg yolk and season with salt and pepper. Fry in hot lard by the spoonful for about 3 minutes. Turn 1 x. Serve with 1 blob each of crème fraîche, pears and bacon. Serve sprinkled with thyme