Combine the beans, Vegenaise, nutritional yeast, kelp, Old Bay, lemon juice and zest, and Tabasco sauce in a food processor and process until smooth. Add the green onions and pulse a couple times. Cut the hearts of palm into 1 inch pieces, add to the mixture and pulse once or twice; do not over process for best texture.
Put the mixture into an oven proof serving dish or ramekin and bake for 30 minutes or until the mixture is heated through.