Spicy Buttermilk Fried Chicken Sandwich
There’s something irresistible about a crisp, spicy chicken thigh tucked into a pillowy brioche bun with tangy pickles and a creamy sriracha mayo. This sandwich balances juicy, tender meat with a crunchy, well-seasoned crust — perfect for a weekend splurge or an elevated weeknight meal when you want comfort with a kick.
Why you’ll love this dish
This sandwich gives you big flavor with straightforward steps. Buttermilk tenderizes the chicken and adds a subtle tang. The spicy dredge and sriracha mayo bring heat without masking the poultry’s flavor. Use thighs for extra juiciness; they stay moist under high heat better than breasts.
“Hands-down the crispiest fried chicken sandwich I’ve made at home — juicy inside, crackling outside, and the mayo brings it all together.” — a home cook’s quick review
Reasons to try it:
- Ideal for weeknight dinners or casual gatherings.
- Budget-friendly: thighs are economical and forgiving.
- Make-ahead friendly: marinate overnight for deeper flavor.
- Easy to tweak for heat level or dietary needs.
Step-by-step overview
- Marinate chicken in spiced buttermilk to tenderize and season.
- Dredge in seasoned flour (single or double for extra crunch).
- Fry in hot oil until golden and internal temperature reaches 165°F (74°C).
- Toast buns and make sriracha mayo.
- Assemble with lettuce and pickles; serve immediately.
What you’ll need
- 4 boneless, skinless chicken thighs (about 1½–2 pounds total) — can substitute with thighs-on-bone, or chicken breasts (see tips).
- 1 cup buttermilk (or 1 cup milk + 1 tbsp lemon juice, rest 10 minutes)
- 1 teaspoon salt
- 1 teaspoon black pepper
- 1 teaspoon paprika (smoked or sweet)
- 1 teaspoon garlic powder
- 1 cup all-purpose flour (see note on cornstarch below)
- Oil for frying (vegetable, canola, or peanut oil), enough for 1½–2 inches in a skillet
- 4 brioche buns, buttered for toasting
- Sriracha mayo: 1/2 cup mayonnaise + 2 tablespoons Sriracha (adjust to taste)
- Lettuce and pickles (optional)
Notes and substitutions:
- For extra-crisp crust, replace 1/4 cup of the flour with cornstarch.
- For gluten-free, use a 1:1 gluten-free flour blend and check binders.
- To reduce dairy, use plain yogurt or a plant-based milk with 1 tbsp vinegar.
Directions
- Make the marinade. In a bowl, whisk the buttermilk with salt, pepper, paprika, and garlic powder. Add the chicken thighs and ensure they are fully submerged. Cover and refrigerate for at least 4 hours, preferably overnight.
- Prepare the dredge. Combine the all-purpose flour with an extra 1/2 teaspoon salt, 1/2 teaspoon black pepper, and 1/2 teaspoon paprika in a shallow dish. If using, stir in cornstarch for extra crispness.
- Heat the oil. Pour oil into a heavy skillet so it is 1½–2 inches deep. Heat over medium until it reaches 350–375°F (175–190°C) or a small piece of bread sizzles and browns in about 45 seconds. Use an instant-read thermometer if possible.
- Dredge the chicken. Remove one thigh from the buttermilk, letting excess drip off. Dredge thoroughly in the flour mixture, pressing to adhere. For a thicker crust, dip again briefly into the buttermilk and re-dredge (double-dredge). Place the coated pieces on a wire rack while you finish the rest.
- Fry the chicken. Carefully add 1–2 pieces to the hot oil without crowding. Fry until golden brown and an instant-read thermometer reads 165°F (74°C) at the thickest part, about 5–7 minutes per side for boneless thighs. Adjust time for bone-in pieces (longer). Turn once for even browning. Do not overcrowd the pan; fry in batches.
- Drain and rest. Transfer cooked chicken to a wire rack set over a baking sheet to drain and stay crisp. Let rest 3–5 minutes before assembling.
- Toast buns and make mayo. Lightly butter and toast brioche buns in a skillet or oven until golden. Mix mayonnaise and Sriracha in a small bowl; adjust heat to taste.
- Assemble. Spread sriracha mayo on both bun halves. Add lettuce and pickles if using. Place fried chicken on the bottom bun, top with the other half, and serve immediately.
Best ways to enjoy it
- Serve with classic sides: hand-cut fries, coleslaw, or dill pickle spears.
- For a lighter plate, pair with a crisp green salad and lemon vinaigrette.
- Plate it open-faced with a slaw on top of the chicken for extra crunch and acidity.
- Drink pairing: an ice-cold lager or an off-dry Riesling balances spice nicely.
Storage and reheating tips
- Refrigerate: Store leftover chicken and buns separately in airtight containers. Eat within 3–4 days.
- Freeze: Freeze cooked, cooled chicken pieces individually on a tray, then transfer to a freezer bag for up to 3 months. Do not freeze assembled sandwiches (buns get soggy).
- Reheat from chilled: Preheat oven to 375°F (190°C). Place chicken on a wire rack over a baking sheet and heat 10–15 minutes until warmed through and crisp. For faster reheating, use an air fryer at 350°F (175°C) for 6–8 minutes.
- Food safety: Refrigerate perishable foods within 2 hours (1 hour above 90°F/32°C). Always reheat to at least 165°F (74°C).
Helpful cooking tips
- Use a thermometer. A reliable instant-read thermometer ensures safety and prevents overcooking. Aim for 165°F (74°C).
- Pat the chicken dry before dredging. Removing excess buttermilk helps the flour stick and creates a better crust.
- Don’t overcrowd the pan. Crowding drops oil temperature and makes the crust soggy. Fry in batches and maintain oil temperature.
- Rest briefly after frying. Resting lets juices redistribute and keeps the interior moist.
- Double-dredge for a thicker crust: flour → buttermilk → flour. Press firmly to form a good crust.
- Choose the right oil. Use neutral oils with high smoke points: peanut, canola, or vegetable oil. Avoid extra-virgin olive oil for deep frying.
Creative twists
- Nashville-style: After frying, brush the chicken with a butter-and-hot-pepper oil mixture for an intense heat and glossy finish.
- Honey-sriracha glaze: Mix honey into the mayo or brush on the chicken for sweet-heat contrast.
- Crunch boost: Add panko or crushed cornflakes to the dredge for extra texture.
- Smoky lime: Add a teaspoon smoked paprika and a squeeze of lime to the mayo for brightness.
- Healthier option: Air-fry or oven-bake using a light spray of oil and panko coating; cook at 400°F (205°C) until crisp and 165°F internal temp.
- Dairy-free: Marinade with coconut milk plus a tablespoon of vinegar; use dairy-free mayo.
Frequently asked questions
Q: How long should I marinate the chicken?
A: For best results marinate at least 4 hours; overnight (8–24 hours) gives deeper flavor and more tender meat. Avoid longer than 24 hours for texture reasons.
Q: Can I use chicken breasts instead of thighs?
A: Yes. Use flattened or uniform-thickness breasts for even cooking. Breast cooks faster and can dry out, so watch the internal temp (remove at 160–162°F and rest to reach 165°F).
Q: How can I make this less spicy?
A: Reduce the Sriracha in the mayo or use a milder hot sauce. Omit spicy paprika and add smoked or sweet paprika instead. You can also serve sauce on the side so people control heat.
Q: Is it safe to shallow-fry in a skillet?
A: Yes, when done correctly. Use enough oil to shallow-fry and monitor temperature with a thermometer. Keep a lid nearby, don’t leave hot oil unattended, and use long tongs. For deep frying, ensure a heavy, stable pot is used and do not overfill.
Q: Can I assemble the sandwich ahead of time?
A: Assemble just before serving for the best texture. If you must prep, keep components separate (chicken, buns, sauce, toppings) and assemble within an hour of serving to avoid soggy buns.
If you have specific dietary needs or want a baked/air-fryer version with exact timings, tell me which appliance and I’ll provide adjusted steps.
Print
Spicy Buttermilk Fried Chicken Sandwich
- Total Time: 260 minutes
- Yield: 4 servings
- Diet: Gluten-Free Option
Description
A crispy, spicy chicken thigh tucked into a brioche bun with tangy pickles and creamy sriracha mayo.
Ingredients
- 4 boneless, skinless chicken thighs (about 1½–2 pounds total)
- 1 cup buttermilk
- 1 teaspoon salt
- 1 teaspoon black pepper
- 1 teaspoon paprika (smoked or sweet)
- 1 teaspoon garlic powder
- 1 cup all-purpose flour
- Oil for frying (vegetable, canola, or peanut oil)
- 4 brioche buns, buttered for toasting
- Sriracha mayo: 1/2 cup mayonnaise + 2 tablespoons sriracha
- Lettuce and pickles (optional)
Instructions
- Make the marinade by whisking buttermilk with salt, pepper, paprika, and garlic powder. Add chicken thighs and refrigerate for at least 4 hours or overnight.
- Prepare the dredge by mixing all-purpose flour with additional seasonings and cornstarch if using.
- Heat oil in a skillet to 350–375°F (175–190°C).
- Dredge the chicken in the flour mixture, ensuring thorough coating.
- Fry the chicken in hot oil for about 5–7 minutes per side until golden brown and reaching 165°F (74°C).
- Drain the cooked chicken on a wire rack set over a baking sheet for 3–5 minutes.
- Toast brioche buns in a skillet or oven until golden brown.
- Assemble the sandwich by spreading sriracha mayo on both bun halves, adding lettuce, pickles, and the fried chicken.
Notes
For extra-crisp crust, replace 1/4 cup of the flour with cornstarch. For gluten-free, use a 1:1 gluten-free flour blend.
- Prep Time: 240 minutes
- Cook Time: 20 minutes
- Category: Main Course
- Method: Frying
- Cuisine: American