Fig jam thumbprint cookies recipe

Ingredients

• 250 g caster (superfine) sugar
• 1/2 lemon, juice only
• 2 pieces of mastic gum, crushed in a pestle and mortar with a pinch of sugar
• 250 g soft dried figs, tough stems removed and roughly chopped
• 1 handful seedless red or green grapes, halved lengthwise
• 5 cardamom pods, seeds only
• 30 g flaked almonds
• 80 g icing (confectioners') sugar
• 150 g unsalted butter, softened
• 1 egg yolk
• 1 orange, grated zest only
• 1 x one-eighth tsp fine sea salt
• 200 g plain (all-purpose) flour
• 5 tbsp fig jam