Foil Packs: Steak & Mushrooms

Prep time: 5 minutes + marinating/resting
Cook time: 20 minutes
Total time: about an hour
Servings: 4
Cuisine: American
Recipe Info

Steak and Mushrooms Foil Packs are a quick, delicious foil-pack dinner loaded with juicy steak bites and tender mushrooms. They are the perfect quick, easy, and flavorful summer meal! Easy, flavor-packed steak foil packs make the best no-fuss dinners. Steak and mushrooms are a match made in grilling heaven. When cooked together in foil, the flavors meld perfectly, resulting in a juicy steak infused with the earthy taste of mushrooms. This method also ensures that the juices are retained, giving you a moist and flavorful dish.

1 pound top sirloin steak, cut into 2-inch cubes
8 ounces sliced mushrooms
3 cloves garlic, minced
⅓ cup soy sauce
¼ cup olive oil
1 teaspoon dried basil
1 teaspoon dried thyme
salt and fresh ground black pepper, to taste
crushed red pepper flakes, for garnish (optional)
sliced green onions, for garnish (optional)

In a large bowl, combine the steak pieces, mushrooms, garlic, soy sauce, olive oil, basil, thyme, salt and pepper. Cover and set in the fridge for 15 to 30 minutes. Then, take the bowl from the fridge and set it on the counter for 15 minutes. Cut out 4 large heavy-duty foil sheets. If you don’t have heavy-duty foil, you can just double up on regular foil. Divide the steak and mushrooms between the sheets of foil. Wrap the foils tightly around the steak and mushrooms and seal them together.

Grill Method:
Preheat the grill to HIGH. Transfer the foil packets to the grill and grill over high heat for 8 to 10 minutes per side, adjusting the time based on your preferred steak doneness. Use an Instant Read Meat Thermometer to poke through the foils and check on the steak’s temperature. Remove from the grill and let stand for a couple of minutes. Carefully open up the foils, garnish with crushed red pepper flakes and green onions, then serve.

Oven Method:
Preheat the oven to 425˚F. Wrap foils tightly around the steak and mushrooms and seal it all together. Cook for 18 to 20 minutes or until the internal temperature of the steak reaches about 130˚F to 140˚F. Use an Instant Read Thermometer to check for doneness. Just poke through the foil with the thermometer and set it into one of the steak pieces. If you want a nice char on the steak, open up the packets the last 2 minutes of cooking and pop them under the broiler for a minute. Garnish with crushed red pepper and green onions, then serve.

Why This Recipe Works:
– Flexible Cooking Methods: Whether you prefer grilling or baking, this recipe has you covered. You can enjoy the smoky flavors from the grill or the convenience of oven cooking.
– Tender and Juicy: Marinating the steak infuses it with flavor and tenderizes it, ensuring a juicy and tender bite every time.
– Quick and Efficient: With a marinade time of as short as 15 minutes and a quick grilling (or oven) time, this recipe is ideal for those who want a gourmet-tasting meal without spending hours in the kitchen.

How To Cook Steak Foil Packets:
This steak and mushrooms mix features marinated steak bites with a side of mushrooms that will soon become a tender, tasty dinner the entire family will love. First, we will cut our steak into 2-inch bites and then slice the mushrooms; transfer to a large bowl and set aside. Then, we will work on a simple marinade with soy sauce, some olive oil, garlic, and seasonings. Next, add the marinade over the steak and mushrooms; cover the bowl with plastic wrap and refrigerate for 15 to 30 minutes. Tear out 4 large pieces of heavy duty foil and divide up the steak and mushroom mixture between all 4. Preheat the grill to HIGH. Wrap up the foils tightly and grill the foil packs for 8 to 10 minutes per side or until the steak’s internal temperature registers at 135˚F to 140˚F. Adjusting the time based on your preferred steak doneness. You can poke through the foil packs with an Instant Read Meat Thermometer to check for doneness.

How To Cook Steak In The Oven With Foil:
Arrange the steak foil packs on a baking sheet and cook the steak in the oven at 425˚F for 15 to 20 minutes or until the steak’s internal temperature reaches 135˚F to 140˚F.

Tips For Cooking Steak and Mushrooms Foil Packs:
– Even Sizing: Ensure steak cubes are roughly the same size for even cooking. This ensures that all pieces will reach your desired level of doneness at the same time.
– Heavy-Duty Foil: If possible, use heavy-duty foil. It’s thicker and less prone to tears, which can help prevent leaks and keep all those delicious juices inside.
– Check for Doneness: As mentioned, using an instant-read thermometer is the best way to ensure your steak is cooked to your desired level of doneness. Remember, steak will continue to cook a little after you remove it from the heat due to residual heat.
– Add Veggies: You can add other quick-cooking vegetables to the foil packs like bell peppers or zucchini slices for added flavor and variety.
– Avoid Overloading: While it might be tempting, avoid overloading your foil packets. Too much in one packet can result in uneven cooking.

– Marinating Time: Longer marination can enhance flavor and meat tenderness.
– Consistent Sizing: Cut the steak cubes uniformly for even cooking.
– Aluminum Foil: Opt for heavy-duty foil to prevent tears and leaks.
– Space: Leave a small space inside foil packets for better heat circulation.
– Check For Doneness: Use an instant-read thermometer for precise steak doneness.
– Mind the Grill: Watch for flare-ups if grilling, adjusting heat or packet placement if necessary.
– Rest Before Serving: Let packets sit for a few minutes after cooking to redistribute the juices.
– Add Variety: Add vegetables, like bell peppers or zucchini, to the packets.
– Storage: Store any leftovers in the fridge for up to 3 days.
– Serving Suggestion: Serve with rice, pasta, or a salad.
– Avoid Overstuffing: Don’t overload the foil packets.

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