In a large bowl, whisk together the buttermilk, salt, paprika, garlic powder, and pepper. Add chicken tenders and mix to coat. Marinate 30 minutes or up to overnight.
In another bowl, combine flour, cornstarch, salt, paprika, baking powder, and cayenne.
Remove the chicken from the marinade, dredge it in the flour mix, and press firmly to coat. Rest the dredged tenders for 5 minutes before frying.
Heat neutral oil in a deep pot to 180°C (350°F). Fry chicken in batches for 4–5 minutes, or until golden brown and the internal temperature reaches 74°C (165°F). Drain on a wire rack. Immediately season lightly with salt.
Hot Honey Glaze
Combine honey, melted unsalted butter, white vinegar, and chilli flakes in a bowl. Set aside and keep warm.
Tangy Sauce
Mix all ingredients in a bowl until smooth. Adjust seasoning to taste. Chill until ready to use.