Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Tender beef medallions seared to perfection and topped with a rich, herb-infused cream sauce that's low-carb and packed with flavor. This american-inspired beef (keto, low carb) ready in about 27 minutes blends beef tenderloin, olive oil, unsalted butter into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 582 calories and feeds 2, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 3.4 (12 ratings) Prep: 15 min Cook: 12 min Serves 2 American cuisine 582 cal/serving
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Ingredients

Instructions

  1. Step 1: Pat the 12 oz beef tenderloin slices dry with paper towels, then season both sides evenly with 1/2 tsp sea salt, 1/4 tsp black pepper, and 1/4 tsp paprika.
  2. Step 2: Heat 2 tbsp olive oil in a large skillet over medium-high heat until shimmering, then add the seasoned beef and sear for 3 minutes per side until golden brown and reaching an internal temperature of 130°F for medium-rare.
  3. Step 3: Remove beef to a plate and let rest while you melt 2 tbsp unsalted butter in the same skillet over medium heat, then add 2 minced garlic cloves and cook for 30 seconds until fragrant without browning.
  4. Step 4: Stir in 2 tbsp minced fresh dill and 1/4 cup heavy cream, then simmer for 2 minutes until the sauce thickens slightly and coats the back of a spoon.
  5. Step 5: Pour the sauce over the rested beef medallions and serve immediately.

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Frequently asked questions

How long does Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce take to make?

Total time is about 27 minutes (15 min prep + 12 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Keto Herb-Crusted Beef Medallions with Creamy Dill Sauce keto?

Yes — this recipe is tagged keto, low carb, high protein based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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