Let's cook.
Peel the bananas and slice them lengthwise or into 1/2-inch thick rounds, depending on your preference.
In a medium bowl, whisk together the all-purpose flour, rice flour, granulated sugar, baking powder, and salt.
Gradually add the cold water to the dry ingredients, whisking until a smooth batter forms. The batter should be thick enough to coat the bananas.
Heat the vegetable oil in a large skillet or deep pot over medium-high heat until it reaches 350°F (175°C).
Dip each banana slice into the batter, ensuring it is fully coated. Carefully place the coated bananas into the hot oil, frying in batches to avoid overcrowding the pan.
Fry for 2-3 minutes per side, or until golden brown and crispy. Use tongs to flip the fritters.
Remove the fried banana fritters with a slotted spoon and place them on a wire rack lined with paper towels to drain excess oil.
Serve immediately while warm.
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