This Grilled Chicken Sandwich is a summertime favorite that’s fresh, juicy, and packed with bold flavor.

With marinated chicken breasts, crisp lettuce, ripe tomatoes, creamy avocado, and a toasted bun, this easy recipe is perfect for a casual dinner or weekend cookout.

Why You’ll Love This Sandwich

Juicy Marinated Chicken – Flavorful and perfectly tender

Healthy & Satisfying – Lean protein with fresh toppings

Quick to Make – Ready in under 30 minutes

Customizable – Easy to add your favorite fixings

Perfect for Grilling Season – Great for BBQs or weeknight dinners

What You’ll Need (Ingredient Highlights)

Chicken Breasts – Boneless and skinless

Olive Oil & Lemon Juice – For a bright and flavorful marinade

Garlic & Dijon Mustard – Add depth to the marinade

Buns – Toasted brioche or sandwich rolls

Toppings – Avocado, tomato, lettuce, onion, mayo (optional)

Pro Tips Before You Start

Pound Chicken Evenly – For consistent cooking

Marinate for at Least 30 Minutes – Longer = more flavor

Preheat the Grill – Medium-high heat for a good sear

Let Chicken Rest – 5 minutes after grilling to retain juices

Toast the Buns – Adds structure and keeps them from getting soggy

How to Make a Grilled Chicken Sandwich

Step 1: Marinate the Chicken

Whisk together olive oil, lemon juice, garlic, mustard, paprika, and seasoning.

Add chicken and let marinate in the fridge for 30 minutes to 2 hours.

Step 2: Grill the Chicken

Preheat grill or grill pan to medium-high heat.

Cook chicken 5–6 minutes per side or until internal temperature reaches 165°F.

Remove and rest.

Step 3: Toast the Buns

While the chicken rests, lightly toast the buns cut-side down until golden.

Step 4: Assemble the Sandwich

Spread mayo or desired sauce on the bottom bun.

Layer with lettuce, tomato, grilled chicken, avocado slices, and onion.

Top with the other bun and serve.

What to Serve It With

Sweet potato fries or classic French fries

Coleslaw or potato salad

Pickles or cucumber spears

Fresh fruit salad

Iced tea or lemonade

Variations / Substitutions

Use Chicken Thighs – Juicier and more forgiving on the grill

Add Cheese – Swiss, provolone, or pepper jack

Make it Spicy – Add sriracha mayo or hot sauce

Low-Carb Option – Wrap in lettuce instead of a bun

Swap Marinade – Use teriyaki, BBQ, or pesto for variety

Storage & Leftovers

Fridge: Store grilled chicken in an airtight container for up to 3 days

Reheat: In a skillet over low heat or microwave gently

Don’t Assemble in Advance: Keep components separate until ready to eat

FAQs

Can I use frozen chicken?
Yes, just thaw fully before marinating and grilling.

How long should I marinate the chicken?
At least 30 minutes, up to 24 hours.

Can I cook the chicken on the stove?
Absolutely! Use a grill pan or skillet.

What’s the best bun for this sandwich?
Brioche, ciabatta, or any sturdy sandwich bun works well.

Is this sandwich meal-prep friendly?
Yes! Cook and refrigerate the chicken, then assemble fresh.

Final Thoughts

This Grilled Chicken Sandwich is a go-to recipe for warm weather and busy nights.

It’s simple, delicious, and versatile enough to suit every taste.

Fire up the grill and enjoy a better-than-takeout chicken sandwich right at home.