Pulled Chicken Pesto Mayo Bagel Sandwich

Why You’ll Love This Recipe

• Big flavor with simple ingredients: juicy shredded chicken, bright basil pesto, and peppery arugula on a toasty bagel.
• Perfect for lunch, an easy dinner, or a make-ahead meal that feels café-level at home.
• Flexible: use rotisserie chicken, leftover roast chicken, or poached chicken breasts.
• Ready in under 30 minutes with minimal cooking and easy clean-up.

Grocery List

• Produce: Baby arugula, red onion, lemon
• Dairy: Optional Parmesan cheese or fresh mozzarella
• Pantry: Tomato-basil bagels, cooked chicken, mayonnaise, basil pesto, olive oil, salt, black pepper, crushed red pepper flakes

Full Ingredients

Pesto Mayo Chicken Filling

• 1 1/2 cups cooked shredded chicken (about 8 oz / 225 g; rotisserie or leftover roasted chicken works well)
• 3 tbsp mayonnaise
• 2 tbsp basil pesto (store-bought or homemade)
• 1 tsp fresh lemon juice
• 1/8 tsp kosher salt (or to taste)
• 1/8 tsp freshly ground black pepper (or to taste)
• 1/8 tsp crushed red pepper flakes (optional, for gentle heat)

For the Bagels and Toppings

• 2 tomato-basil bagels, split horizontally
• 1 tbsp olive oil (for brushing the bagels before toasting)
• 1 cup loosely packed baby arugula, rinsed and dried
• 1/4 small red onion, very thinly sliced into half-moons (about 2–3 tbsp loosely packed)
• Salt and freshly ground black pepper, to finish

Optional Extras

• 2 tbsp finely grated Parmesan cheese or 2 slices fresh mozzarella
• Extra basil leaves for garnish
• Additional lemon wedges for squeezing at the table

Step-by-Step Instructions

Step 1: Prep the chicken and vegetables

If you are starting with whole cooked chicken pieces, remove the skin and bones and shred the meat using two forks or your fingers, pulling it into thin strands. Measure out 1 1/2 cups and place it in a medium mixing bowl. Rinse and dry the baby arugula. Peel the red onion and slice it as thinly as you can into half-moons; a sharp knife or mandoline helps. If you prefer a very mild onion flavor, soak the slices in cold water for 5 minutes, then drain and pat dry with a paper towel.

Step 2: Make the pesto mayo sauce

In a small bowl, whisk together the mayonnaise, basil pesto, lemon juice, kosher salt, black pepper, and crushed red pepper flakes (if using). Taste and adjust the seasoning: add a pinch more salt for brightness, more lemon juice for acidity, or extra pesto for a stronger basil and garlic flavor. The sauce should be creamy, loose enough to coat the chicken easily, and well-seasoned.

Step 3: Toss the chicken with the pesto mayo

Pour the pesto mayo over the shredded chicken in the mixing bowl. Using a spatula or large spoon, gently fold until every piece of chicken is coated in the green, glossy sauce. Take a moment to break up any clumps of chicken so the filling is evenly mixed. If it looks a little dry, you can stir in 1 more tablespoon of mayonnaise or 1 teaspoon of olive oil to loosen it. Set aside while you toast the bagels, allowing the flavors to mingle.

Step 4: Toast the tomato-basil bagels

Brush the cut sides of each tomato-basil bagel half lightly with olive oil. To toast in a skillet, heat a large nonstick or cast-iron pan over medium heat. Place the bagels cut-side down and toast for 3–4 minutes, until the edges are crisp and golden and the surface feels slightly crunchy. For oven toasting, preheat the oven to 375°F (190°C). Arrange the bagel halves cut-side up on a baking sheet and toast for 5–7 minutes, until lightly browned. Toasting intensifies the tomato-basil flavor and keeps the bagels from going soggy once filled.

Step 5: Assemble the bagel sandwiches

Lay the toasted bottom halves of the bagels on a cutting board or plates. If using cheese, sprinkle 1 tablespoon of grated Parmesan or place 1 slice of fresh mozzarella on each bottom half while they are still warm, so the cheese softens slightly. Add a generous layer of baby arugula on top of the cheese (or directly on the bagel if skipping cheese), using about 1/2 cup per sandwich. Spoon half of the pesto-mayo chicken mixture onto each arugula layer, mounding it high and letting some pieces fall artfully to the sides. Scatter the thin red onion slices over the chicken, using as much or as little as you like. Finish with a very light pinch of salt and black pepper over the onions to bring out their flavor.

Step 6: Cap, serve, and enjoy

Place the top halves of the toasted bagels over the filling and press down gently to help everything settle. If you like, slice each sandwich in half with a sharp serrated knife for easier handling, cutting straight through the center. Serve immediately while the bagels are warm and the filling is cool and creamy. Offer extra lemon wedges at the table for squeezing over the chicken, and garnish the plates with a few fresh basil leaves or more arugula for a bistro-style look. Enjoy your pulled chicken pesto mayo bagel as a hearty lunch or a quick but special dinner.

Pro Tips

• Use room-temperature chicken: Cold chicken can make the filling feel dense. Let it sit out for 10 minutes before mixing with the pesto mayo for a nicer texture.
• Control onion sharpness: Soaking sliced red onion in cold water for a few minutes takes away the harsh bite while keeping the crunch and color.
• Do not skip toasting: A well-toasted bagel is key. It adds texture and prevents the creamy filling from soaking into the bread too quickly.
• Adjust creaminess: If you prefer a wetter filling, add 1–2 extra teaspoons of mayonnaise or a drizzle of olive oil until it looks just right to you.
• Warm it up: For a melty version, briefly broil the assembled open-faced bottoms (with chicken and cheese) for 1–2 minutes before adding the top bagel half.

Variations

• Caprese-inspired: Add thick slices of fresh tomato and fresh mozzarella, then drizzle with a little extra pesto before closing the sandwich.
• Spicy version: Use a spicy pesto, add extra red pepper flakes to the sauce, and top with pickled jalapeños instead of (or in addition to) red onion.
• Lighter option: Swap half the mayonnaise for plain Greek yogurt and use whole-wheat or multigrain tomato-basil bagels for more fiber.

Storage & Make-Ahead

Store the pesto mayo chicken filling separately from the bagels and greens. Keep the chicken mixture in an airtight container in the refrigerator for up to 3 days. The flavor actually improves after a few hours as the pesto and lemon meld into the chicken. Slice the red onion and wash the arugula ahead of time, pat them dry, and refrigerate in separate containers lined with a paper towel. Toast the bagels and assemble just before serving so they stay crisp and fresh. Fully assembled sandwiches do not store well (the bagels will soften), but if you have leftovers, wrap tightly and refrigerate for up to 1 day, then re-toast gently in a toaster oven to re-crisp the bagel.

Nutrition (per serving)

Approximate per sandwich (without optional cheese): about 620 calories; 31 g protein; 55 g carbohydrates; 29 g fat; 6 g saturated fat; 4 g fiber; 1,000 mg sodium. Adding cheese will increase the calories and saturated fat slightly. These values are estimates and will vary based on the exact brands of bagels, pesto, and mayonnaise you use.