Halwa Bahraini

Name: Halwa Bahraini
Prep time: 1 h
Cook time: 45 min
Total time: 1 h 45 min
Cuisine: Middle Eastern
Ingredients: 4 cups sugar; 5 cups water; 4 teaspoons lemon juice; 5 tablespoons unsalted butter; 2 tablespoons ground cardamom (+ ½ teaspoon (for the butter)); 1 tablespoon ground nutmeg (+ ½ teaspoon (for the butter)); 10 threads saffron; 1 cup cornstarch; 1 cup water ((for the corn starch mixture)); 1 teaspoon red food coloring; 1½ cup rapeseed oil; 2 tablespoons rose water; 2 cups nuts ((pistachios, almonds, walnuts, toasted)); 3 tablespoons sesame seeds