Preheat your oven to 375°F and line a baking sheet with parchment paper. This temperature sweet spot cooks chicken through without drying the exterior—I learned this after one underseasoned attempt years back.

Pat your chicken breasts completely dry with paper towels, then season both sides with salt and pepper. Moisture on the surface steams instead of browning, so don't skip this step even though it feels unnecessary.

Pulse basil, pine nuts, garlic, Parmesan, half the olive oil, and lemon juice in a food processor until chunky-textured. Stop before it becomes a paste—you want visible herb pieces that stay bold after baking because smooth pesto loses character in the oven.

Spread half the pesto mixture directly onto the top of each chicken breast, pressing gently so it adheres. This first layer seals in moisture while the second layer creates that crowd-pleasing texture everyone mentions.

In a small bowl, combine remaining olive oil, panko breadcrumbs, dried oregano, and the rest of your pesto. Mix just until the breadcrumbs are coated and smell fragrant—this topping creates structure instead of turning soggy.

Spoon the breadcrumb mixture evenly over each pesto-topped chicken breast, then drizzle melted butter over everything. The butter weights down the topping so it stays crispy through the entire bake, which I discovered when my first batch scattered everywhere.

Bake for 32–35 minutes until the internal temperature reaches 165°F at the thickest part. Your pesto baked chicken crowd summer recipe is done when the topping turns golden and the edges show slight browning.