Reprinted from The Blood Type Diet Website (

Tuna Casserole from Scratch
5 votes

Contributed by: DianeAdded: Feb 05, 2010 at 08:43 PM


This is definitely NOT your mother's tuna casserole! If you're avoiding gluten, feel free to substitute appropriate pasta for your blood type.

Best Used By Blood Types:
  • Type A (2 beneficials)
  • Type A Non Secretor (1 beneficials)
  • Type AB (3 beneficials)
  • Type AB Non Secretor (3 beneficials)
  • Type B (2 beneficials)
  • Type B Non Secretor (2 beneficials)
  • Type O (1 beneficials)
  • Type O Non Secretor (2 beneficials)
  • Entree
  • 13 ounces penne pasta (gluten free, if applicable)
  • 2 Tablespoons extra virgin olive oil
  • 1 small onion, chopped
  • 2 cloves chopped garlic
  • 8 ounces fresh mushrooms
  • 2 cups vegetable broth
  • 2 Tablespoons flour (blood type appropriate)
  • water as needed
  • 1/4 cup fresh basil, chopped
  • 12 ounce can of tuna packed in water (drained)
  • 1 teaspoon salt
  • 1/2 teaspoon pepper (optional)
  • 3 T bread crumbs (optional)
  • 1/2 cup shredded mozzarella (or veggie cheese, as appropriate)
How to make it:
  1. Preheat oven to 350.
  2. Prepare penne pasta according to package directions.
  3. Meanwhile, heat olive oil in medium skillet.
  4. Add chopped onion and garlic.
  5. Saute until translucent.
  6. Add mushrooms.
  7. Continue to cook.
  8. When mushrooms are golden brown, add vegetable broth.
  9. Add fresh basil.
  10. In small bowl, mix flour with water to create a smooth paste.
  11. Add to mushroom mixture.
  12. Continue to cook over medium heat as sauce thickens.
  13. In large bowl, combine penne pasta, mushroom gravy and flaked tuna.
  14. Stir with large spoon to mix well.
  15. Transfer mixture to 9 x 12 baking pan.
  16. Sprinkle with mozzarella cheese.
  17. Sprinkle with bread crumbs.
  18. Bake in 350 degree oven for 20 to 30 minutes.

BTD Core Ingredients Analysis:

NameNotesA SecA NonABSecABNonB SecB NonO SecO Non
Olive Oil1 ,2 B B B B B B B B
Basil2 N N N N N N N B
Tuna2 ,3 N N B B N N N N

BTD Variations and Substitutions Analysis:

Dairy Product(s)
NameNotesA SecA NonABSecABNonB SecB NonO SecO Non
Mozzarella Cheese- N N B B B B N A

Vegetable Product(s)
NameNotesA SecA NonABSecABNonB SecB NonO SecO Non
Mushroom (Domestic white "Butt...2 ,4 B A N N N N A 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 with a high glycemic index.

  • 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 Feb 06, 2010 at 05:53 PM By: Lola