Careme

Location: Fred Meyer - Bellevue (2041 148Th Ave Ne)

Stovetop Flat Iron Steak with Rosemary Mushroom Pan Sauce + Oven Smashed Red Potatoes & Roasted Broccoli

Big, cozy steakhouse energy without the fuss: quickly seared flat iron topped with a rosemary-garlic mushroom pan sauce, plus blistered broccolini and crispy smashed baby potatoes. It’s rich, wintery, and totally doable on a weeknight.

Back to full list

Ingredients

  • Boneless Flat Iron Beef Steak (1 steak) ~12–16 oz (aim for 1 steak for 2) $13.99/lb
  • Simple Truth Organic® Whole White Mushrooms (or Baby Bellas) 8 oz, sliced (if not pre-sliced) $3.00 (8 oz)
  • Organic Broccoli Bunch ~12 oz (about 1 small bunch), cut into long florets $3.19/lb
  • Simple Truth Organic® Red Potatoes 12 oz (about 5–7 small), smashed $3.99 (3 lb)
  • Organic Jumbo Yellow Onion 1/2 medium, thinly sliced $1.49/lb
  • Simple Truth Organic® Garlic Bulbs 3 cloves, minced $1.99 (3 ct)
  • Fresh rosemary or thyme (optional but great) 1–2 tsp chopped (or 2 sprigs)
  • Butter 1–2 tbsp
  • Olive oil 2–3 tbsp, divided
  • Beef broth or water 1/3 cup
  • Worcestershire or soy sauce (optional) 1 tsp
  • Lemon (optional) 1/2 lemon, for finishing broccoli
  • Kosher salt & black pepper to taste

Instructions

  1. Prep the oven and potatoes: heat oven to 450°F. Cut 12 oz red potatoes in half (or quarters if larger). Put potatoes in a small pot, cover with cold salted water, and boil 10–12 minutes until just tender.
  2. Dry and season the steak: pat ~12–16 oz flat iron steak very dry. Season both sides with 1 tsp kosher salt and plenty of black pepper. Let it sit at room temp while you finish potatoes.
  3. Smash and roast the potatoes: drain potatoes and let steam-dry 2 minutes. Spread on a sheet pan, drizzle with 1 tbsp olive oil, sprinkle with salt/pepper, then smash each potato with a mug or spatula. Roast at 450°F for 20–25 minutes, flipping once, until crisp-edged.
  4. Roast the broccoli: toss ~12 oz broccoli florets with 1 tbsp olive oil, salt, and pepper. Add to the sheet pan for the last 12–15 minutes of the potato roast (or use a second pan) until browned at tips and tender-crisp. Finish with a squeeze of 1/2 lemon if using.
  5. Sear the steak (stove): heat a cast-iron or heavy skillet over medium-high heat. Add 1 tbsp olive oil. Sear steak 3–5 minutes per side (depending on thickness) until deep brown; aim for 125–130°F for medium-rare. Transfer steak to a plate and rest 8–10 minutes.
  6. Make the mushroom pan sauce (stove): in the same skillet, lower heat to medium. Add 1 tbsp butter and 8 oz sliced mushrooms. Cook 6–8 minutes, stirring occasionally, until browned and their moisture cooks off. Add 1/2 thinly sliced onion and cook 3–4 minutes until soft.
  7. Finish the sauce: add 3 minced garlic cloves and 1–2 tsp chopped rosemary/thyme; cook 30 seconds. Add 1/3 cup beef broth (or water) and 1 tsp Worcestershire/soy (optional). Scrape up browned bits and simmer 2–3 minutes. Swirl in 1 more tbsp butter if you want it glossy; taste and adjust salt/pepper.
  8. Slice and serve: slice rested steak against the grain. Spoon mushroom sauce over. Serve with roasted smashed potatoes and roasted broccoli.

Health notes: ~850–1,000 kcal per serving (depends on butter/oil). High-protein and filling; add extra broccoli and go lighter on butter for a healthier plate. Saturated fat is moderate-to-high if you use a lot of butter—easy to dial back.

Drink pairing: Go for medium-bodied reds with savory notes to echo the mushrooms and browned beef. Great fits: Washington State Merlot (plush, herbal), or Northern Rhône-style Syrah (peppery, meaty). Local pick: Columbia Crest (WA) Merlot is widely available and consistently solid with mushroomy beef sauces.

Chef Feedback

Ask about the recipe and share how it turned out.

Sign in to ask follow-up questions.

Sign in to save cooked feedback and ratings.

Planned by Careme.