Crispy chicken nuggets blasted with Taco Bell's hottest Diablo seasoning — these are the spicy nuggets that heat lovers have been begging for.
Cut the chicken breast into 1.5-inch nugget pieces. Pat dry with paper towels to ensure a crispy finish, just like Taco Bell's signature crunch.
In a medium bowl, whisk together buttermilk and egg. Add chicken pieces, toss to coat, and marinate for at least 15 minutes (up to 30 is fine for maximum juiciness).
Combine flour and cornstarch in a large shallow dish. Remove chicken from marinade, let excess drip off, then dredge thoroughly in the flour mixture, pressing to adhere for that trademark crunchy outside.
Heat vegetable oil in a deep fryer or heavy pot to 350°F (use a thermometer for accuracy; this mimics Taco Bell's fry consistency). Carefully fry chicken nuggets in batches until golden and cooked through, about 5–6 minutes, turning for even browning. Drain on a rack or paper towels.
While hot, toss the fresh nuggets in the Diablo seasoning mix (combine all seasoningIngredientList items beforehand). For extra Taco Bell heat, sprinkle extra cayenne if needed. Copycat tip: The MSG and sugar balance the fire and give that addictive flavor Taco Bell fans recognize.