Pickled Red Onions

Bahan-bahan (10 porsi)

• 1.5 cups sliced red onion ($0.94)
• 1 clove garlic ($0.08)
• 3 Tbsp white sugar ($0.06)
• 1.5 Tbsp salt ($0.15)
• 1/2 tsp peppercorns ($0.05)
• 1 cup white vinegar* ($0.06)