Stollen with Cottage Cheese (Quarkstollen)

Ingredients

• 180 g unsalted butter (82% fat)
• 160 g sugar
• 2 eggs
• 180 g cottage cheese (dry)
• 200-300 g candied fruit (+100 g orange juice for soaking candied fruit)
• 500 g all-purpose flour
• 1 tsp baking powder
• 150 g nuts (optional, I used marzipan paste)
• 50 g unsalted butter
• 50-75 g rum
• 50 g powdered sugar