Manisan ubi

Bahan-bahan (6 porsi)

• 2.5 lb . sweet potatoes (about 4 medium sweet potatoes) ($3.56)
• 1/2 cup butter ($1.12)
• 3/4 cup dark brown sugar ($0.75)
• 1/2 cup granulated white sugar ($0.20)
• 1 tsp cinnamon ($0.10)
• 1/2 tsp nutmeg ($0.05)
• 1/4 tsp salt ($0.02)
• 2 tsp vanilla extract ($1.20)
• 1 orange, juiced ($0.99)