Garlic Tostones (Fried Green Plantains)

Ingredients

• 3 cups water
• 1 garlic clove, peeled and crushed (optional)
• 1 tbsp salt (plus more to season)
• 3 green plantains, peeled, cut into 1-inch thick slices
• 3 to 4 cups canola oil (enough to fill pan about 1 inch deep)
• 1/3 cup canola oil
• 2 tbsp vinegar
• 1 tbsp lime juice
• 1 clove garlic, minced
• 1/4 tsp salt
• 2 green onions, finely chopped
• 1 tbsp chopped cilantro