Walnut and Almond Biscuits - Yummy Expert

Ingredients

• 250 g ground almonds (or ground walnuts if preferred)
• 50 g caster sugar
• 1 tbsp cinnamon (optional, can be omitted if allergic)
• 8 g baking powder
• 1 tbsp cocoa powder
• 2 medium-sized eggs
• 1 tbsp flour
• rum essence (optional, can be replaced with vanilla or almond essence)
• Powdered sugar (for rolling the dough balls)
• Whole walnuts (for topping)