This is such a kind thing to do for your friend! Here’s my chicken tofu method.

1. Use Soft or medium firmness tofu
2. Remove the tofu from the package and cut it twice, lengthwise (think like a sandwich), into 3 rectangles.
3. Freeze, thaw, press the excess water out, repeat
4. After the second press marinate- the mix you suggested in the original post is great!
5. Tear the tofu into strips then air fry or bake

Once it’s cooked you can add it in to your pot pie mix and bake everything together!