Soak Ingredients: Wash and soak almonds, cashews, pistachios, coarse fennel seeds, pumpkin seeds, and rose petals for 2-3 hours.
Prepare Mixture: In a bowl, combine soaked ingredients with black pepper and poppy seeds. Add enough water to submerge the mixture.
Grind Ingredients: Using a mortar, grind the mixture until smooth, adding water as needed.
Add Sweetness: Incorporate ground stringy candy to the mixture for sweetness.
Filter Mixture: Add half a glass of water and filter the mixture using a thin cloth.
Combine with Milk: Mix the filtered liquid with boiled milk, adjusting consistency as needed.
Serve: Pour into glasses, add ice, and sprinkle rose petals on top.