Heat 2 tsp of olive oil in a heavy-bottomed pan, and sauté mushrooms and green onions over medium heat. Once mushrooms are tender, add in minced garlic and sauté for a minute or so. Remove from heat and allow to cool slightly.

Combine raw ground turkey meat, sautéed mixture, and all other ingredients in a large bowl with your clean hands. Form meat mixture into burgers and place on a clean platter.

Place burgers on a heated grill (you could grease with a high smoke-point oil first) and sear the first side for 2-3 minutes. Flip the burgers when small beads of red fluid appear on the surface, and sear the other side. Finish cooking on the 2nd side until meat is no longer pink inside (don't overcook though).

Take burgers off the grill and cover with tinfoil for a few minutes before serving.