The only recipes or clones from this chain that I have been able to locate are linked below. There is a site with copycats for a lot of their recipes here: Souplantation at Home

chicken noodle soup
Orzo And Artichoke Salad
Pear and Pecan Salad w/Crumbled Cheese
Tomato and Basil Salad Dressing
Tomato and Onion Soup
Cream of Broccoli Soup
Chicken Salad Dressing
Oriental Chicken Salad
New England Clam Chowder
Souplantation Summer Lemon with Spiced Pecans Tossed Salad
Sweet Tomatoes Cream of Mushroom Soup Sweet Tomatoes Doris' Broccoli Slaw

No luck:

Brown rice & pinto bean soup Creamy Pumpkin Bisque
Irish Potato Leek Soup
Red Velvet Lava Cake
Vegetarian vegetable soup