Boil 3 lbs peeled, cubed sweet potatoes in salted water until fork tender (about 12–15 minutes).
Drain well.
Add 2 tbsp sour cream, ½ tbsp honey, 1 tsp salt, and ¼ tsp black pepper, then whip or mash until smooth and creamy.
Taste and add extra salt if needed.
Finely chop 1 bunch fresh parsley and add to a bowl with 1 red mini sweet pepper (finely diced), 2–3 garlic cloves (minced), and ½ tsp dried oregano.
Stir in 2 tbsp red wine vinegar, ½ cup olive oil, ½ tsp salt, and a squeeze of lemon (optional).
Let sit 10–15 minutes so the flavors come together.
Season 2 New York strip steaks generously with salt and pepper.
Heat a skillet with a little olive oil over high heat and sear steaks until medium-rare, about 3–4 minutes per side depending on thickness.
Let rest for 5 minutes before slicing.
Spread the sweet potato mash on a plate, top with sliced steak, and spoon the chimichurri over the top.
