Eggless pandan shortbread cookies with pineapple jam

Ingredients

• Pineapple jam (to be made in advance and kept in the refrigerator) ~
• l can pineapple (567g) - drain away juice and blend (fresh pineapples would be best, but canned ones are just as good)
• 2 tbsp granulated sugar
• 1 tsp lemon/lime juice
• 1/4 tsp ground cinnamon
• 2 cloves
• 1 tsp cornstarch
• Shortbread cookies/tart ~
• 1/2 cup butter
• 1/4 cup icing sugar
• 1/2 tsp pandan paste
• 1 cup flour
• 1/4 cup cornstarch