You'll never guess the secret ingredient in this easy blueberry cheesecake - Better Homes & Gardens

Ingredients

• 250g packet Arnott’s Butternut Snap Cookie biscuits
• 100g unsalted butter, melted
• 1 cup frozen blueberries
• 1/4 cup caster sugar
• 1 tsp finely grated lemon zest
• 1 Tbsp lemon juice
• 1/4 tsp dried edible lavender buds (available from health food stores)
• Fresh unsprayed lavender sprigs and dried edible rose petals, to decorate
• Cheesecake filling
• 250g cream cheese, softened
• 1/2 cup plain Greek-style yoghurt
• 1 tsp vanilla extract
• 1/2 cup thickened cream
• 1/4 cup icing sugar mixture