Preheat your oven to 400°F and line a sheet pan with parchment paper. I always prep this first because the oven needs time to reach temperature, and rushing this step means uneven cooking on the bottoms of your elegant sheet pan turkey meatballs weeknight batch.
Combine ground turkey, panko, onion, garlic, parsley, mint, egg, lemon zest, paprika, cumin, salt, and pepper in a large bowl. Use your hands to gently mix for about 30 seconds—work fast because the friction of your hands warming the meat makes it release moisture, which causes them to stick together into one dense blob instead of staying individual.
Wet your hands with cold water and roll the mixture into 16 equal meatballs, placing each one on your prepared sheet pan. The cold water keeps them from sticking to your palms, which honestly changes everything because warm, sticky hands fight you the whole way through.
Drizzle the 2 tbsp olive oil over the meatballs and roll them gently to coat all sides. Why this matters: the oil conducts heat and browns the exterior while keeping the inside of these elegant sheet pan turkey meatballs weeknight recipe from drying out during baking.
Bake for 28-30 minutes, until a meat thermometer inserted into the center reads 165°F. I use a thermometer because guessing is how you end up with either raw centers or overcooked exteriors, and precision here means they'll stay tender instead of becoming rubbery.
Remove from oven and let rest for 5 minutes before serving. This resting period lets the juices redistribute throughout the meat, so when you cut into them, the moisture stays inside instead of pooling on your plate.