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Extra Crispy Buttermilk Chicken Sandwich

A golden, ultra-crispy buttermilk fried chicken sandwich made with juicy marinated chicken breast and a seasoned crunchy coating. Better than takeout, packed with flavor, and perfectly crispy every time.
Prep Time 20 minutes
Cook Time 20 minutes
4 hours
Total Time 4 hours 40 minutes
Course Main Course
Cuisine American
Servings 4 people
Calories 620 kcal

Equipment

  • 1 Cast iron skillet or deep heavy-bottomed pot
  • 1 Deep-fry thermometer
  • 1 Mixing bowls (2–3 sizes)
  • 1 Wire cooling rack
  • 1 Tongs
  • 1 Meat mallet (optional)
  • 1 Baking sheet

Ingredients
  

The Chicken Brine

  • 2 large boneless skinless chicken breasts (sliced in half)
  • 2 cups buttermilk
  • 1 tbsp hot sauce
  • 1 tsp salt
  • ½ tsp black pepper

The Crispy Dredge

  • 1 ½ cups all-purpose flour
  • ½ cup cornstarch
  • 1 tbsp paprika
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp kosher salt
  • ½ tsp black pepper
  • ¼ tsp cayenne pepper optional, for heat
  • 2 tbsp buttermilk for clumping texture

The Assembly & Glaze

  • 4 brioche or potato buns toasted
  • 1 cup vegetable or peanut oil for frying, or as needed
  • Dill pickle slices
  • Lettuce, tomato, or onion (optional)
  • Mayonnaise or spicy mayo

Instructions
 

  • Prepare Chicken: Slice chicken breasts evenly or pound to ½-inch thickness for uniform cooking.
  • Marinate: Combine buttermilk, hot sauce, salt, and pepper. Submerge chicken and refrigerate 4–24 hours.
  • Make Dredge: Mix flour, cornstarch, and seasonings. Add a few spoonfuls of buttermilk to create craggy bits.
  • Coat Chicken: Remove chicken from marinade, dredge in flour mixture, dip back in buttermilk, and coat again firmly.
  • Heat Oil: Heat oil in skillet to 350°F (175°C) using a thermometer.
  • Fry Chicken: Fry in batches for 4–5 minutes per side until deep golden brown.
  • Internal temperature must reach 165°F (74°C) in the thickest part.
  • Drain Properly: Place fried chicken on a wire rack to keep coating crisp.
  • Toast Buns: Lightly butter and toast buns until golden.
  • Assemble: Spread mayo on buns, add chicken, pickles, and toppings. Serve immediately.

Notes

 
 
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