Sour cherry poppy seed cake with meringue topping

Ingredients

For the cake:

• 140 g ground poppy seeds
• 160 g cake flour
• 1 tsp baking soda
• ¼ tsp ground cardamom
• ½ tsp ground cinnamon
• zest of 1 lemon
• 150 g butter
• 150 g cane sugar
• 1 tbsp Bourbon vanilla sugar
• 4 eggyolks
• 200 ml milk
• 250 g sour cherries – pitted
• 3 tbsp all-purpose flour
• 1 cup sour cherry jam

For the meringue:

• 4 eggwhites
• 100 g caster sugar
• 1 tbsp lemon juice
• 1 pinch of salt