High Protein

High Protein Steak and Sweet Potato Meal Prep

By RecipeNest · High Protein

Juicy seared sirloin, roasted sweet potatoes, and garlicky green beans — a 5-day high protein steak and sweet potato meal prep with 48g of protein per container.

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Prep

15 min

Cook

30 min

Total

45 min

Servings

5

Calories

530

High Protein Steak and Sweet Potato Meal Prep
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Ingredients

  • 2 lbs top sirloin steak, 1 inch thick
  • 2 large sweet potatoes (about 2 lbs), cut into 1/2-inch cubes
  • 1 lb fresh green beans, trimmed
  • 3 tbsp olive oil, divided
  • 1 tbsp smoked paprika
  • 2 tsp garlic powder
  • 1 tsp onion powder
  • 1 tsp ground cumin
  • 2 tsp kosher salt, divided
  • 1 tsp black pepper
  • 3 cloves garlic, minced
  • 2 tbsp butter
  • 1 tbsp fresh thyme leaves (or 1 tsp dried)
  • Lemon wedges, for serving

Instructions

  1. 1

    Preheat the oven to 425°F and line two sheet pans with parchment.

  2. 2

    Toss the sweet potato cubes with 1 tablespoon olive oil, 1/2 teaspoon salt, and 1/2 teaspoon black pepper. Spread on one sheet pan and roast 25–30 minutes, flipping halfway, until caramelized at the edges and tender inside.

  3. 3

    Toss the green beans with 1 tablespoon olive oil and 1/2 teaspoon salt. Spread on the second sheet pan and roast the final 12 minutes alongside the sweet potatoes until blistered and crisp-tender.

  4. 4

    While the veggies roast, pat the steak completely dry — this is the #1 trick to a real crust. Combine smoked paprika, garlic powder, onion powder, cumin, the remaining 1 teaspoon salt, and 1/2 teaspoon pepper. Rub all over the steak.

  5. 5

    Heat a large cast-iron skillet over high heat until smoking. Add the remaining 1 tablespoon olive oil. Sear the steak 3–4 minutes per side for medium-rare (130°F) or 4–5 minutes for medium (140°F).

  6. 6

    In the last 60 seconds, add the butter, minced garlic, and thyme. Tilt the pan and spoon the foaming garlic-thyme butter over the steak.

  7. 7

    Transfer steak to a cutting board and rest 8 minutes — non-negotiable for juicy slices. Slice thinly against the grain.

  8. 8

    Divide steak, sweet potatoes, and green beans among 5 meal-prep containers. Tuck a lemon wedge into each (a squeeze right before eating wakes everything up).

Nutrition Facts

Per serving · 530 calories

protein

48g

carbs

38g

fat

20g

fiber

7g

sugar

10g

sodium

640mg

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Frequently Asked Questions

What cut of steak is best for meal prep?+

Top sirloin gives you the best ratio of flavor, tenderness, and price for meal prep. Flank, flat iron, and tri-tip also work great — all are lean enough to keep the macros tight and tender enough to reheat without turning to leather.

How do I keep meal prep steak from getting tough?+

Two rules: cook it no more than medium (140°F) since it'll heat further when reheated, and slice thinly against the grain. Reheat for 60 seconds max — long microwaves are what ruin steak.

How long does this meal prep last?+

4 days in the fridge in airtight containers. Steak actually tastes even better on day 2 once the flavors meld.

Can I use chicken or salmon instead?+

Absolutely — swap in seared chicken breast or roasted salmon. For salmon, check out our Salmon Rice Bowl as a swap-friendly base.

Are sweet potatoes good for high protein meal prep?+

Yes — they're packed with fiber, beta-carotene, and slow carbs that keep you full for hours. They reheat beautifully without going mushy, which is rare for a starch.

What sauce keeps the macros tight?+

A drizzle of chimichurri or a tablespoon of horseradish-Greek-yogurt sauce. Both add huge flavor for almost no calories.

Sarah Mitchell

Recipe by Sarah Mitchell

Professional home cook · Tested in a real American kitchen

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