[German] How to cook Onion cake (zwiebelkuchen)

Ingredients

• 260 g (1¾ cups) plain flour
• 125 g butter
• 300 g sour cream
• 400 g (about 6) middle bacon rashers, rind removed, thinly sliced
• 2 tbsp olive oil
• 700 g (about 4 large) red onions, halved, thinly sliced
• 1 egg yolk, lightly beaten
• 4 eggs, lightly beaten
• 80 ml (⅓ cup) milk
• 2 tbsp chopped chives
• ½ tsp caraway seeds
• green salad, to serve

Directions