Seared Sirloin with Roasted Sweet Potato and Garlic Spinach
A pan-seared lean sirloin over caramelized roasted sweet potato with buttery garlic spinach and a pumpkin-seed crunch.
Why it works
Beef sirloin is a leucine-dense complete protein and one of the richest natural dietary sources of creatine (roughly 2-2.5g per pound of raw meat), the compound that replenishes phosphocreatine for high-intensity contractions. Roasted sweet potato supplies the low-glycemic carbohydrate that refills muscle glycogen after training, while the magnesium in spinach and pumpkin seeds supports the ATP-dependent steps of muscle contraction and recovery.
Reflects the evidence that ~0.4g/kg of high-leucine animal protein per meal maximally stimulates muscle protein synthesis, and that dietary creatine from red meat supports strength and power output (International Society of Sports Nutrition creatine position).
Ingredients
- 400g lean top sirloin steak (about 2 steaks)
- 400g sweet potato, peeled and cut into 2cm cubes
- 200g fresh spinach
- 30g raw pumpkin seeds
- 2 cloves garlic, thinly sliced
- 1 tbsp olive oil
- 10g butter
- 1/2 tsp smoked paprika
- Salt and black pepper to taste
Method
- Heat oven to 220C (425F). Toss sweet potato cubes with 1/2 tbsp olive oil, smoked paprika, salt and pepper, spread on a tray and roast 25-30 minutes until caramelized, turning once.
- Pat the sirloin dry and season generously with salt and pepper. Let it come toward room temperature while the potatoes roast.
- Toast the pumpkin seeds in a dry pan over medium heat for 2-3 minutes until they pop and smell nutty, then set aside.
- Heat the remaining 1/2 tbsp olive oil in a heavy skillet over high heat. Sear the steaks 3-4 minutes per side for medium-rare, then rest on a board for 5 minutes.
- In the same pan, lower heat to medium, melt the butter, add the garlic for 30 seconds, then wilt the spinach for 2 minutes with a pinch of salt.
- Slice the rested steak against the grain. Plate over the sweet potato and spinach and scatter with toasted pumpkin seeds.