Slow Cooker Salisbury Steak (High-Protein)

Here’s a high-protein, low-carb version of the classic Salisbury Steak — rich, savory, and perfect for a slow cooker.

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🥩 Slow Cooker Salisbury Steak (High-Protein)

✅ Ingredients (4 servings)

For the Steak Patties:

• 1 lb (450 g) lean ground beef or turkey (93–96% lean)

• ½ cup unflavored whey protein isolate (optional for extra protein)

• 1 egg

• 2 tbsp almond flour

• 1 tsp garlic powder

• ½ tsp onion powder

• ½ tsp salt, ¼ tsp black pepper

For the Gravy / Sauce:

• 2 cups low-sodium beef broth

• 1 small onion, thinly sliced

• 2 cloves garlic, minced

• 1 tbsp Worcestershire sauce

• ½ tsp dried thyme

• 1 tbsp coconut aminos or soy sauce (optional, adds umami)

• 1–2 tsp arrowroot starch or cornstarch (optional, for thickening)

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🔥 Instructions

1. Make patties: Combine ground beef, protein powder, egg, almond flour, and seasonings. Form 4 oval patties.

2. Brown patties (optional): Heat skillet, quickly sear patties 1–2 minutes per side for extra flavor.

3. Layer in slow cooker: Place onions and garlic at the bottom. Add patties on top.

4. Add liquids: Pour beef broth, Worcestershire sauce, thyme, and coconut aminos over patties.

5. Cook: Cover and cook on LOW 6–7 hours or HIGH 3–4 hours until patties are fully cooked and tender.

6. Thicken gravy (optional): Remove ½ cup hot liquid, whisk in arrowroot or cornstarch, then stir back into slow cooker.

7. Serve hot with low-carb sides (cauliflower mash, zucchini noodles, or roasted veggies).

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🧮 Nutrition (per serving, without thickener)

Using lean meat + protein powder keeps protein very high, while almond flour keeps carbs minimal.

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💡 High-Protein Tips

• Lean meat + whey isolate maximizes protein.

• Greek yogurt can be stirred into gravy at the end for creaminess without adding fat.

• Serve with low-carb veggies or cauliflower mash for a full meal.

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This slow-cooker method produces tender, flavorful patties with a rich onion gravy, all while staying high-protein and keto-friendly.