Sirloin Steak with Creamy Garlic Mushroom Gravy, Creamy Mashed Potatoes with Caramelized Onions & Roasted Carrots
Featuring Dr. C’s Magical Meat Dust
When you want a comforting, steakhouse-style dinner that feels indulgent but is still easy enough for a weeknight, this one absolutely delivers. Juicy sirloin steaks, a rich and umami mushroom gravy, creamy mashed potatoes, caramelized onions, and roasted carrots — all brought together with Dr. C’s Magical Meat Dust for bold, balanced flavor from start to finish.
This is classic comfort food with a Dr. C twist.
Ingredients
For the Steaks & Mushroom Gravy
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Sirloin steaks
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Baby bella mushrooms, sliced
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Garlic, minced
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Dijon mustard
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Beef stock or beef concentrate
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Sour cream
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Butter
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Olive oil
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Salt & pepper (to taste)
For the Mashed Potatoes
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Yukon gold potatoes, cubed
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Butter
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Sour Cream
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Salt & pepper (to taste)
For the Roasted Carrots
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Carrots, peeled and cut into spears
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Olive oil
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Salt & pepper (to taste)
- Dr. C’s Magical Meat Dust
For the Caramelized Onions
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Yellow Onion (sliced thin)
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Salt & pepper (to taste)
- Butter
Instructions
1. Roast the Carrots
Preheat your oven to 425°F. Toss the carrots with olive oil and a generous sprinkle of salt, pepper, and Dr. C’s Magical Meat Dust. Spread them out on a parchment-lined baking sheet and roast for 20–25 minutes, flipping once, until tender with lightly charred edges.
2. Make the Mashed Potatoes
Add the potatoes to a large pot of salted water. Bring to a boil and cook until fork-tender, about 15–18 minutes. Drain well, then mash with butter, sour cream, salt, and pepper. Adjust seasoning to taste and keep warm.
3. Sear the Steaks
Pat the sirloin steaks dry and season generously on both sides with salt, pepper, and Dr. C’s Magical Meat Dust. Heat a drizzle of oil in a large skillet over medium-high heat. Sear the steaks 3–5 minutes per side, depending on thickness and desired doneness. Remove from the pan and let rest.
4. Caramelize the Onions
In the same skillet, add a little more butter if needed. Add the onions and cook until softened and lightly caramelized. Salt and pepper to taste.
5. Build the Mushroom Gravy
In the same skillet, add a little more butter if needed. Stir in the mushrooms and cook until browned and tender. Add garlic and cook until fragrant.
Stir in Dijon mustard and beef stock, scraping up all the flavorful browned bits from the pan. Reduce heat and let the sauce simmer until slightly thickened.
TIP: If you can't get it to thicken, you can use a corn starch slurry to thicken that up.
6. Bring It All Together
Slice the rested steaks and spoon the mushroom gravy generously over the top. Serve alongside the mashed potatoes topped with caramelized onions and roasted carrots.
Why This Works
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Dr. C’s Magical Meat Dust brings savory depth to every component — steak, veggies, and even the mashed potatoes.
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The mushroom-onion gravy is rich without being heavy.
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The roasted carrots add sweetness and balance to the plate.
This is one of those meals that feels like a special occasion but doesn’t require a reservation.
