Einkorn Wild Rice Beef Casserole with Creamy Mushroom Sauce

Prep: 25 minCook: 45 min6 servingsmedium
Einkorn Wild Rice Beef Casserole with Creamy Mushroom Sauce

A hearty one-dish meal combining nutty wild rice with seasoned ground beef in a rich, creamy sauce topped with melted cheese. The einkorn flour adds a subtle complexity while mushrooms and herbs create depth of flavor. Perfect for busy weeknight dinners or feeding a crowd, this comforting casserole delivers restaurant-quality taste with simple pantry ingredients. The creamy texture and golden bubbly top make it an instant family favorite that reheats beautifully for leftovers.

Ingredients

6 servings
  • ¾ cup long grain and wild rice
  • 1 cup water
  • 1 tsp unsalted butter
  • 1 ½ lbs lean ground beef
    ground turkey1:1lean

    reduce cooking time slightly

    Full guide →
  • 8 oz button mushrooms, sliced
    cremini mushrooms1:1flavor

    cremini adds earthier taste

    Full guide →
  • ½ yellow onion, diced
  • 1 clove garlic, minced
  • 1 Tbsp all-purpose einkorn flour
    all-purpose flour1:1gluten-freeadds gluten

    regular wheat flour works equally well

  • 1 cup beef broth
    chicken broth1:1flavor

    slightly different taste profile

    Full guide →
  • ½ tsp ground thyme
  • 1 tsp paprika
  • 1 tsp dried oregano
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 cup milk
    heavy cream1:1rich

    creates richer sauce

    Full guide →
  • 1 cup Parmesan cheese, grated
  • 1 cup Italian blend shredded cheese

Instructions

  1. 1

    Preheat oven to 350 degrees and coat 9x13 inch casserole dish with non-stick spray

  2. 2

    Combine rice blend, water and butter in medium saucepan and bring to boil

  3. 3

    Reduce heat to low, cover, and simmer for 15 minutes

  4. 4

    Remove from heat and let stand covered for 5 minutes, then fluff and set aside

  5. 5

    Cook ground beef in large skillet over medium-high heat for 5-7 minutes until no pink remains, breaking into small pieces

  6. 6

    Add mushrooms, onion and garlic and cook 4-5 minutes until onion becomes translucent

  7. 7

    Drain excess grease, return to stove and reduce heat to medium

  8. 8

    Sprinkle flour over meat mixture and stir until dissolved completely

  9. 9

    Cook 2 minutes stirring frequently, then add beef broth

  10. 10

    Stir to combine, scraping up brown bits from bottom of pan

  11. 11

    Bring to boil, add thyme, paprika, oregano, salt and pepper

  12. 12

    Reduce heat to medium-low and simmer 5 minutes

  13. 13

    Stir in milk, return to boil, then reduce heat and simmer 5-6 minutes until sauce thickens slightly

  14. 14

    Add Parmesan cheese and prepared rice to beef mixture

  15. 15

    Stir to combine and adjust seasoning if necessary

  16. 16

    Transfer to prepared casserole dish and top with Italian cheese blend

  17. 17

    Bake uncovered 20-25 minutes until center is hot and sides are bubbly

  18. 18

    Let cool for 10 minutes before serving

Tips

Tip 1

Let the rice stand covered after cooking to ensure fluffy texture and complete moisture absorption

Tip 2

Drain excess grease thoroughly after browning beef to prevent a greasy casserole

Tip 3

Allow casserole to rest 10 minutes before serving for easier slicing and optimal temperature

Good to Know

Storage

Refrigerate covered up to 3 days or freeze up to 3 months

Make Ahead

Assemble completely, cover and refrigerate up to 24 hours before baking, add 5-10 minutes to cooking time

Serve With

Serve hot with side salad or steamed vegetables

See pairing guide →

Common Mistakes

Watch

Don't skip draining grease to avoid greasy texture

Watch

Cook flour mixture long enough to avoid raw flour taste

Watch

Let rice stand covered to prevent mushy texture

Substitutions

Gluten-Free Swaps

einkorn flour
all-purpose flour1:1gluten-freeadds gluten

regular wheat flour works equally well

General Alternatives

button mushrooms
cremini mushrooms1:1flavor

cremini adds earthier taste

Full guide →
Italian cheese blend
mozzarella cheese1:1mild

use shredded mozzarella

Full guide →
beef broth
chicken broth1:1flavor

slightly different taste profile

Full guide →
ground beef
ground turkey1:1lean

reduce cooking time slightly

Full guide →
milk
heavy cream1:1rich

creates richer sauce

Full guide →
Find more substitutions →

FAQ

Can I use regular white rice instead of wild rice blend?

Yes, use 3/4 cup white rice with same water amount but reduce cooking time to 18-20 minutes total.

What if I don't have einkorn flour?

Regular all-purpose flour works perfectly as a 1:1 substitute with identical cooking instructions.

How long does this casserole keep in the refrigerator?

Store covered in refrigerator for up to 3 days and reheat in 350F oven until heated through.