Step 1
Preheat an oven to 375 degrees F (190 degrees C).
Step 2
Heat the vegetable oil in a large skillet over medium heat.
Step 3
Season the mahi mahi fillets with the thyme salt and black pepper; lay the seasoned fillets in the hot skillet. Cover the skillet and cook the fillets for 7 minutes turn the fillets and continue cooking the other side until the flesh flakes easily with a fork 5 to 7 minutes.
Step 4
Remove the mahi mahi to a cutting board and cut into bite-size pieces removing any visible bones as you notice them.
Step 5
Stir the cream of potato soup milk and mixed vegetables together in a saucepan over medium heat; season with salt and pepper. Allow the mixture to simmer stirring occasionally 5 minutes.
Step 6
Gently fold the mahi mahi pieces into the soup mixture.
Step 7
Line a 9-inch deep-dish pie plate with one of the prepared pie crusts.
Step 8
Pour the soup mixture with the mahi mahi into the pie crust.
Step 9
Lay the remaining pie crust atop the assembled pie. Seal the edges with wet fingertips.
Step 9
Bake in the preheated oven until the crust is a golden brown and the pie is heated through 40 to 45 minutes. Allow to cool 10 to 15 minutes before serving.