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Tostones are twice-fried plantain slices, a beloved staple across the Caribbean, Central America, and parts of South America. They are typically made from firm, green plantains, sliced, fried, smashed flat, and fried again until golden and crispy, often seasoned with salt. While green plantains are traditional, some variations use riper, yellower plantains for a slightly sweeter flavor.
As a fried food, tostones are high in carbohydrates and fat, with minimal protein. A typical serving (about 100g) provides roughly 300-350 calories, along with potassium, vitamin C, and some fiber from the plantains.
The double-frying technique is what gives tostones their unique, crunchy-yet-tender texture, distinguishing them from other fried plantain dishes. Nutritionally, they are a good source of resistant starch when made from green plantains, which can act as a prebiotic fiber beneficial for gut health.