Preheat oven to 375°F (190°C).
Pound chicken breasts to even thickness (about ½-inch thick) for even cooking. Season with salt, pepper, and garlic powder.
Heat olive oil in an oven-safe skillet over medium-high heat.
Add chicken and cook for 4–5 minutes per side until golden brown.
Spread Trader Joe’s pesto evenly over each chicken breast.
Sprinkle mozzarella and Parmesan cheese on top.
Transfer skillet to the oven and bake for 5–7 minutes until cheese melts and chicken reaches 165°F (74°C) internally.
Garnish with fresh basil or red pepper flakes. Serve with pasta, salad, or roasted veggies.