Rhubarb Cheesecake

Ingredients

• 2 1/3 cups flour
• 1 cup ground almonds
• 2/3 cup sugar
• 1 packet vanilla sugar (or 1 tbsp vanilla paste)
• 1 tsp baking powder
• 1 pinch of salt
• 1 egg
• 3/4 cup cold butter
• 1/2 cup chopped almonds or pistachios
• 12 oz rhubarb
• 1 organic lemon
• 3 cups low-fat quark or drained Greek yogurt
• 1 cup sour cream
• 1 packet vanilla pudding powder (or 1/3 cup cornstarch)
• 3/4 cup sugar
• 3 eggs
• 2 tbsp melted butter