Step 1

In a large bowl, mix together the cut hearts of palm, celery, scallions, mayo, lemon juice, and spices to coat everything well.

Step 2

Chill the "lobster mixture" in the fridge until ready to serve.

Step 3

To prepare the rolls, slice each in half, lightly butter the inside faces, and either toast butter side down in a pan or on a grill until golden brown.

Step 4

Serve the cold lobster mixture in the toasted buns alongside potato chips, if desired.