Tournedos of Beef in Mushroom, Mustard and Red Wine Sauce with Caramelized Onion-Potato Gratin

Name: Tournedos of Beef in Mushroom, Mustard and Red Wine Sauce with Caramelized Onion-Potato Gratin
Prep time: 1 h 35 min
Cook time: 1 h 35 min
Total time: 1 h 35 min
Yield: 4
Cuisine: Global
Ingredients: 3 Tbsps balsamic vinegar; 237 milliliters beef broth; 4 fillets beef fillet steaks, about 6 ounces; 4 slices country-style bread; 2 Tbsps Dijon mustard; 59 milliliters finely chopped fresh parsley; 2 cloves garlic, finely chopped; 4 servings Salt and coarsely ground black pepper; 237 milliliters grated Gruyere cheese; 296 milliliters heavy cream; 2 Tbsps olive oil; 4 servings Olive oil; 3 larges Spanish onion, peeled and sliced thinly; 4 larges potatoes, peeled and sliced thinly; 237 milliliters red wine; 4 servings Salt and pepper; 4 servings Salt and freshly ground black pepper; 2 shallots, finely diced; 454 grams shiitake mushrooms, cleaned and quartered; 1 Tbsp unsalted butter; 2 Tbsps cold unsalted butter

Tournedos of Beef in Mushroom, Mustard and Red Wine Sauce with Caramelized Onion-Potato Gratin might be just the main course you are searching for. This recipe makes 4 servings with 1071 calories, 25g of protein, and 77g of fat each. This recipe covers 40% of your daily requirements of vitamins and minerals. If you have heavy cream, beef broth, wine, and a few other ingredients on hand, you can make it. To use up the bread you could follow this main course with the Coffee Cake Banana Bread as a dessert.

Instructions

Preheat oven to 400 degrees F.

Equipment you will use

Oven

Place bread on a work surface and using a 3-inch cookie cutter, cut a round crouton from the center of each piece of bread.

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Croutons

Bread

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Cookie Cutter

Brush both sides of the croutons with olive oil and season with salt and pepper, to taste.

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Salt And Pepper

Olive Oil

Croutons

Place the croutons on a baking sheet and bake for 5 to 7 minutes or until lightly golden brown.

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Croutons

Equipment you will use

Baking Sheet

Oven

Heat olive oil and butter in a large skillet over high heat. Season the fillets with salt and press the coarsely cracked black pepper onto 1 side of each fillet.

Ingredients you will need

Cracked Black Peppercorns

Olive Oil

Butter

Salt

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Frying Pan

Place the fillets pepper-side down into the skillet and sear until golden brown, turn the fillets over and continue cooking for 4 to 5 minutes for medium-rare doneness.

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Pepper

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Frying Pan

Remove the steaks to a plate.

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Steak

Remove all but 3 tablespoons of the fat in the pan and return to high heat.

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Frying Pan

Add the mushrooms and cook until golden brown and their liquid has evaporated.

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Mushrooms

Add the shallots and cook until soft.

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Shallot

Add the red wine and reduce by half.

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Red Wine

Add the broth and cook until reduced by half.

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Broth

Whisk in the mustard and butter and cook for 30 seconds. Season with salt and pepper, to taste.

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Salt And Pepper

Mustard

Butter

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Whisk

Place each fillet on top of a crouton and spoon some of the sauce over.

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Croutons

Sauce

Heat oil in a large saute pan over medium heat.

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Cooking Oil

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Frying Pan

Add the onions and cook slowly until caramelized.

Ingredients you will need

Onion

Add the garlic and balsamic vinegar and cook for 2 minutes. Preheat oven to 375 degrees F. Butter a 9-inch baking pan a place a layer of potatoes on the bottom and season with salt and pepper. Spoon 1/5 of the onion mixture over the potatoes and top with 1/4 cup of the heavy cream and a tablespoon of parsley. Repeat to make 5 layers.

Ingredients you will need

Balsamic Vinegar