Rice Pudding (Arroz Con Leche)

Bahan-bahan (8 porsi)

• 6 cups milk (full fat, low fat or skim)
• 1 cup medium grain rice
• 1/4 cup white granulated sugar
• 2 teaspoons ground cinnamon (or 1 cinnamon stick)
• 2 teaspoons pure vanilla extract
• 1/4 cup raisins (or sultanas, optional)
• 1/2 cup condensed milk (optional)
• 2 tablespoons unsalted butter (optional)