Preheat oven to 375°F (190°C) temperature.
Heat olive oil in large pan gently.
Sauté onions, carrots, celery until soft completely.
Add garlic and cook one minute more.
Let vegetable mixture cool down completely now.
Mix turkey, eggs, breadcrumbs in bowl.
Add cooled vegetables and herbs to mixture.
Season with salt and pepper generously today.
Shape mixture into loaf pan carefully.
Bake for 45-50 minutes until done.
Check internal temperature reaches 165°F exactly.
Rest meatloaf for 10 minutes before slicing.