Rinse the 250g of jasmine rice under cold running water until the water running through the grains is nearly clear. Combine the rinsed rice with 375ml of water and a pinch of salt in a medium saucepan. Bring to a full rolling boil over high heat, then reduce immediately to the lowest possible setting, cover tightly, and simmer for 15 minutes without lifting the lid. Remove from heat and allow to stand covered and undisturbed for 5 minutes. Uncover and fluff with a fork. Keep covered to maintain warmth while the chicken is prepared and fried.

Make the sauce before the oil is heated and before the chicken is breaded — the sauce must be ready the moment the fried chicken comes out of the oil. In a medium bowl, whisk together the 120g of mayonnaise, 60g of Thai sweet chili sauce, 30g of sriracha, 15ml of rice vinegar, and 5g of honey until completely smooth and uniform. The sauce should taste simultaneously sweet from the Thai chili sauce and honey, creamy from the mayonnaise, spiced and garlicky from the sriracha, and bright from the rice vinegar — all four notes present and balanced. Adjust: more sriracha for heat, more sweet chili sauce for sweetness, more vinegar for brightness. The Thai sweet chili sauce is the element that distinguishes bang bang sauce from plain spicy mayo — its specific fruity, slightly sweet, moderately spiced character provides the background sweetness that the sriracha's direct heat builds against. Set aside.

Prepare three shallow bowls in sequence — the standard three-stage breading station: First bowl: combine the 120g of all-purpose flour, 60g of cornstarch, 5g of salt, 3g of black pepper, and 2g of garlic powder and stir to distribute the seasonings evenly through the flour. The flour-cornstarch combination is the specific coating blend for maximum crispness — flour alone produces a thicker, bread-like coating; cornstarch alone produces a thin, very crisp coating; together they produce a coating that is simultaneously light, crisp, and sufficiently thick to carry the panko adhesion in the next stage. Second bowl: the 2 beaten eggs, which serve as the adhesion layer between the flour coating and the panko exterior. Third bowl: the 150g of panko breadcrumbs. Panko — Japanese-style breadcrumbs made from crustless white bread processed into irregular, airy, jagged flakes — produces a crispier, lighter, more texturally interesting crust than standard fine breadcrumbs because the irregular flake shapes create more air gaps during frying, resulting in a crust that shatters pleasantly rather than producing the dense, uniform crunch of fine breadcrumbs.

Working with a few pieces at a time, bread each chicken piece through the three stages in sequence: First, coat in the seasoned flour mixture and shake off the excess vigorously — the flour layer must be thin and even rather than clumped, as excess flour prevents the egg from adhering cleanly. Second, dip into the beaten egg, turning to coat all surfaces and allowing the excess to drip off naturally. Third, press firmly into the panko breadcrumbs on all surfaces — pressing rather than simply rolling produces a more adherent, more even crust. Place each breaded piece on a wire rack rather than a plate — a wire rack allows air circulation beneath each piece, preventing the bottom coating from becoming damp and soft from contact with a flat surface. For maximum crust adhesion, refrigerate the breaded pieces on the wire rack for 15 minutes before frying — the chilling firms the egg layer and allows the panko to adhere more completely, significantly reducing the likelihood of the crust separating from the chicken during frying.

Pour sufficient vegetable oil into a large, heavy-bottomed pot or deep skillet to reach a depth of approximately 5cm. Heat the oil over medium-high heat to 175°C — use a cooking thermometer for the most reliable result. At 175°C a small piece of panko dropped into the oil will sizzle immediately and vigorously; below this temperature the oil is insufficiently hot and the chicken will absorb oil and become greasy rather than crisping immediately on contact. Working in batches — never adding more pieces than the oil surface can accommodate without touching — lower the breaded chicken pieces gently into the oil. Fry for 5–6 minutes per batch, turning once at the midpoint, until the exterior is a deep, even golden-brown and the internal temperature of the thickest piece reads 75°C. The batching is non-negotiable — adding too many pieces simultaneously drops the oil temperature dramatically, producing the same greasy, pale result as insufficiently hot oil. Transfer each finished batch to a paper towel-lined plate to drain briefly — no more than 30 seconds on the paper towels before tossing in the sauce, as the paper towel begins to soften the bottom crust on contact.

Transfer the hot fried chicken pieces directly into the large bowl with the prepared bang bang sauce. Pour the sauce over the chicken and toss gently to coat every piece — turning the chicken through the sauce with tongs or two spoons rather than vigorous stirring, which would break the panko crust. The heat from the freshly fried chicken makes the sauce slightly more fluid and helps it adhere to the textured panko surface more completely than sauce applied to cooled chicken would — this is why the sauce preparation before frying and the immediate tossing after frying matters. Every piece should show a visible, even coating of the pale orange-pink sauce against the golden crust. Divide the cooked jasmine rice among four wide bowls. Top each bowl with equal portions of the bang bang chicken. Arrange the sliced cucumber alongside the chicken — their cool, fresh, slightly watery crunch provides the specific contrast that the fried chicken's richness and the sauce's sweetness specifically need. Scatter the sliced scallions over each bowl. Finish with the toasted sesame seeds. Serve immediately while the crust retains its crunch.