Saus Nanas Mangga

Bahan-bahan (12 porsi)

• 2 Tbsp vegetable oil ($0.06)
• 1 small onion ($0.28)
• 1/2 tsp red pepper flakes ($0.03)
• 2 inches fresh ginger ($0.31)
• 2 medium mangoes ($1.98)
• 1 20 oz . can pineapple in juice ($0.98)
• 1/2 cup brown sugar ($0.16)
• 1/2 cup cider vinegar ($0.27)
• 1 Tbsp garam masala ($0.15)
• 1/4 cup raisins, (optional, $0.14)