Dinner · American · 4 servings
Sirloin Strips with Mushrooms and Spinach
- 30 min total
- 312 kcal
- 7.7 g carbs
- 41.8 g protein

Thin sirloin strips seasoned ahead with Montreal steak seasoning and smoked paprika, seared hot, then onion and mushrooms cooked down with garlic; spinach wilted in and steak returned to warm. Fast skillet steak-and-greens plate. House-rated 5/5.
Prep 10 minCook 12 minTotal 30 mineasy
Ingredients
Recipes are written for 4 servings. Multiples of 4 scale best.
Amounts are for 4 household servings.
Allergens: wheat (unknown — some Montreal steak seasoning blends; check label)
Grab first: Pre-sliced mushrooms, bagged baby spinach, Montreal steak seasoning, ask butcher to slice sirloin thin against the grain, or buy stir-fry beef strips
Directions
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Tested in our kitchen by Chef Merin (cooked 2026-09-16).
Source: Cook It Anyway · Chef Merin.
Recipe history · What’s changed
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Sirloin Strips with Mushrooms and Spinach
Ingredients
- 1 1/2 lb sirloin steak, sliced thin against the grain
- 12 oz mushrooms, sliced
- 6 oz baby spinach
- 1 medium onion (about 110 g), sliced
- 3 cloves garlic, minced
- 1 tbsp avocado oil
- Montreal steak seasoning, to taste
- smoked paprika, to taste
Directions
- Season steak ahead with Montreal steak seasoning and smoked paprika (no separate salt and pepper on the steak).
- Heat avocado oil in a large skillet over high heat. Sear steak strips 2–3 minutes until browned. Remove.
- Lower heat to medium. Cook onion and mushrooms about 5 minutes. Add garlic for 30 seconds.
- Add spinach until wilted. Return steak to warm through.
- Serve.
Notes
Allergens: wheat (unknown — some Montreal steak seasoning blends; check label)
Grab first: Pre-sliced mushrooms, bagged baby spinach, Montreal steak seasoning, ask butcher to slice sirloin thin against the grain, or buy stir-fry beef strips
Nutrition per serving (estimate)
- Calories
- 312 kcal
- Total fat
- 12.5 g
- Saturated fat
- 3.7 g
- Trans fat
- 0.3 g
- Cholesterol
- 97 mg
- Sodium
- 1403 mg
- Carbohydrate
- 7.7 g
- Fiber
- 2.3 g
- Total sugars
- 3.1 g
- Added sugars
- 0 g
- Protein
- 41.8 g
Estimates only — not a Nutrition Facts label.

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