Áfonyás Chiamagos Süti | Umami

Ingredients

• crumbs (about 10-12 crackers)
• 6 tbsp unsalted butter, melted
• For the Blueberry Chia Filling:
• 2 cups fresh or frozen blueberries
• 2 tbsp chia seeds
• ¾ cup sugar (or to taste)
• 1 tsp vanilla extract
• ½ cup water