Pat the chicken tenders completely dry, then place them in a large resealable bag or container. Pour in the buttermilk along with half of the salt, garlic powder, onion powder, white pepper, and smoked paprika, plus a few dashes of hot sauce if you like heat. Seal the bag and refrigerate for at least 3 hours, though overnight gives the juiciest, most flavorful results.
While the chicken marinates, whisk together the flour with the remaining salt, garlic powder, onion powder, white pepper, and smoked paprika in a shallow dish. Mixing the seasoning directly into the flour ensures every bite of the crust is packed with flavor, not just the surface. Set this seasoned flour aside until you're ready to fry.
Pour vegetable oil into a heavy-bottomed pot or dutch oven, filling it about halfway up the sides. Clip on a deep fry thermometer and heat the oil over medium-high heat until it reaches 350°F. Keeping the temperature steady is key to getting a crisp crust without greasy or undercooked chicken.
Remove each piece of chicken from the buttermilk, letting the excess drip off, then coat it thoroughly in the seasoned flour. Press the flour gently into every crevice for maximum crunch, then shake off any excess. Place the coated chicken on a baking sheet and repeat until all the pieces are ready to fry.
Carefully lower 4 to 5 pieces of chicken into the hot oil at a time, avoiding overcrowding the pot. Fry for about 2 to 3 minutes per batch, until deeply golden and the internal temperature hits at least 165°F. Transfer the finished chicken to a wire rack so it stays crisp while you fry the remaining batches.
Reheat your prepared waffles in a low oven so they're warm and ready right when the chicken finishes frying. Arrange the waffles on plates, then top each one with a few pieces of crispy fried chicken. Finish with a pat of softened butter and a generous pour of warm maple syrup before serving.