Reprinted from The Blood Type Diet Website (

Sweet Potato Torta with Apple, Parmesan and Fresh Thyme
5 votes

Contributed by: GulfcoastguyAdded: Sep 22, 2009 at 02:09 PM


A simple casserole that's a great side dish for roast meats or as a stand-alone entree. If possible use a firm tart-sweet apple such as Braeburn, Fuji, Gala or Granny Smith.

Best Used By Blood Types:
  • Type B (2 beneficials)
  • Side Dish
  • 3 Tablespoons unsalted butter OR ghee
  • 1 1/2 Tablespoons chopped fresh thyme (plus one sprig for garnish)
  • 1/2 cup chopped green onions, white and green parts (OR sub chopped leeks instead)
  • 1/2 cup fresh grated parmesan (OR other sharp compliant cheese such as romano or pecorino)
  • 1 Tablespoon gluten-free flour(rice flour ought to work)
  • 1/2 teaspoon sugar OR sweetener of choice
  • 3/4 teaspoon Sea Salt
  • freshly ground black pepper (optional)
  • 1 1/2 pounds sweet potatoes, peeled and thinly sliced
  • 1 large tart green cooking apple,peeled and thinly sliced
How to make it:
  1. Melt the butter in a small sauce pan and use part of it to grease a 9 inch cake pan, or spring-form pan with aluminum foil wrapped around the outside.
  2. Place the thyme sprig in the middle of the pan and preheat the oven to 375F.
  3. In a bowl combine the chopped thyme, onion, cheese, sweetener, salt, and pepper.
  4. Toss to blend.
  5. Place a layer of sweet potato slices in the pan, then layer with half the apple slices.
  6. Sprinkle with 2 Tablespoons of the cheese mixture and 2 teaspoons of the butter.
  7. Use half the remaining sweet potatoes for the next layer, then the rest of the apples.
  8. Sprinkle on the rest of the cheese mixture and drizzle with butter.
  9. Place the rest of the sweet potatoes as the top layer and drizzle in butter.
  10. Cover the pan with foil and bake for 45 minutes.
  11. Uncover and bake 25 to 30 minutes longer.

BTD Core Ingredients Analysis:

NameNotesA SecA NonABSecABNonB SecB NonO SecO Non
Onion (Red/Spanish/Yellow/Whit...1 ,2 B B N N N B B B
Parmesan Cheese2 A A A A N A A A
Potato (Sweet)3 ,4 A N B B B B B N
Thyme2 N N N N N N N N
Butter2 A A A A N N N N
Rice Cake/Flour3 ,4 ,5 B N B B B B N N
Sugar (Brown/White)  N A N A N A N A
Apple/Apple Juice/Cider1 ,2 ,3 N N N N N N N A
Sea Salt2 N N N N N N N N

BTD Variations and Substitutions Analysis:

Herb/Spice Product(s)
NameNotesA SecA NonABSecABNonB SecB NonO SecO Non
Pepper (Black/ Peppercorn) Fre...2 A N A N A N N N

[1] This recipe uses ingredients rich in lignans.
[2] This recipe uses ingredients which may help limit bacterial overgrowth.
[3] This recipe uses ingredients which may be high in pesticides.
[4] This recipe uses ingredients which may be genetically modified .
[5] This recipe uses ingredients which are high in phytates.

  • This recipe is low in common allergens.
  • This recipe is gluten free.
  • This recipe uses ecologically friendly ingredients.

    If an ingredient is an avoid for your blood type, then try using a BTD compliant variant/substitute or leaving the item out of the recipe.

    Please Note:
    When using any recipe, always check it for avoids and make the appropriate adjustments where necessary. The Blood Type Diet Recipe Database has been recently greatly enhanced. Also, the food lists changed somewhat a couple of years ago, and all recipes in the database may not reflect those changes in terms of the blood types for which the recipes are recommended. Volunteer Blood Type Diet Forums Members are working to review and update all the recipes to take advantage of the all the new features and food lists. Please be patient with us until the process has been completed.

    Revision History:
    • Revised Sep 22, 2009 at 11:21 PM By: Lola