Blueberry, lemon and lavender loaf

Ingredients

• 190 g sugar
• 2 tbsp fresh lavender, crumbled
• 150 g butter, softened
• 3 medium eggs
• 1 tsp vanilla extract
• 90 g flour, plus extra for dusting the blueberries
• 1/2 tsp baking powder
• 110 g ground almonds
• 2 tbsp each lemon zest and juice
• 200 g fresh blueberries
• 1/4 cup icing sugar
• Few drops of lemon juice and water
• Lavender, to garnish