Sri Lankan Milk Toffee - Hungry Lankan

Ingredients

• 2 Condensed milk cans - 15oz/397g each
• 1 Cup Water
• 400 g Sugar
• 1 tsp Vanilla Extract
• 1/2 cup Chopped cashews (unsalted, roasted)
• 2 tbsp Unsalted Butter at room temperature
• 1 tbsp Butter to coat the baking sheet, knife and spatulas