Omaha-Style Grilled Beef Sandwich with Horseradish Aioli

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A regional take on a grilled beef sandwich featuring thinly sliced grilled steak with a tangy horseradish aioli on toasted artisan bread. This american-inspired beef ready in about 25 minutes blends thinly sliced flank steak, salt, black pepper 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 450 calories and feeds 4, 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.

Prep: 15 min Cook: 10 min Serves 4 American cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat a grill or grill pan over medium-high heat for 5 minutes.
  2. Step 2: Toss 1 lb thinly sliced flank steak with 2 tbsp olive oil, 1 tsp salt, 1/2 tsp black pepper, and 1/2 tsp garlic powder until evenly coated.
  3. Step 3: Grill the steak slices for 2 minutes per side until medium-rare and slightly charred, then remove and let rest.
  4. Step 4: Toast 4 artisan sandwich rolls cut side down on the grill for 1-2 minutes until golden and crisp.
  5. Step 5: In a small bowl, mix 1/2 cup mayonnaise with 2 tbsp prepared horseradish and 1 tsp lemon juice until smooth to create horseradish aioli.
  6. Step 6: Spread 1 tbsp horseradish aioli on each toasted roll bottom, layer with slices of grilled steak, 1 leaf of lettuce, and 2 slices of tomato.
  7. Step 7: Top with the roll lid and serve immediately.

Frequently asked questions

How long does Omaha-Style Grilled Beef Sandwich with Horseradish Aioli take to make?

Total time is about 25 minutes (15 min prep + 10 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Omaha-Style Grilled Beef Sandwich with Horseradish Aioli?

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 Omaha-Style Grilled Beef Sandwich with Horseradish Aioli?

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 Omaha-Style Grilled Beef Sandwich with Horseradish Aioli for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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.

What goes well with Omaha-Style Grilled Beef Sandwich with Horseradish Aioli?

American beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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