Try this Raw Banana chips recipe.
Why do homemade plantain and green banana slices sometimes turn out limp instead of brittle? Moisture is the primary obstacle when frying starches. Green bananas contain dense, ungelatinized starches and high water content compared to mature, yellow fruit. Slicing them uniformly ensures even dehydration during immersion in hot oil. Maintaining oil temperature around 375 degrees Fahrenheit prevents the chips from absorbing excess fat while the water content flashes off as steam.
Soaking sliced green bananas in a saline and turmeric solution prior to cooking accomplishes two distinct goals. Dissolved salt seasons the interior flesh effectively while drawing out surface moisture. Turmeric contributes a golden coloration and subtle earthy undertones, standard in traditional South Asian preparations. Drain the slices thoroughly on paper towels or lint-free linen before frying; remaining surface droplets cause violent oil splattering and uneven texture.