Red Velvet Cake (sugar free)

• 250 g self-rising baking flour
• 15 g unsweetend cocoa powder
• Pinch of salt
• 250 g Zùsto
• 120 g hard margarine (at room temperature)
• 2 eggs
• 1 tsp vanilla extract
• 240 ml buttermilk
• 2 tsp red gel dye (amount depends on brand)
• 1 tsp baking powder
• 1 tsp apple cider vinegar
• 125 g butter (at room temperature)
• 250 g roomkaas
• 100 g Zùsto
• 1 tsp vanilla extract

Equipment

• 3 mixing bowls
• Measuring cup
• Round springform pan of +/- 18 cm diameter
• Wire rack