
Steak with Balsamic Butter Sauce
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Steak with Balsamic Butter Sauce is an elevated meal for two and takes only a few quality ingredients and less than 30 minutes to prepare.

Beef tenderloin steaks can be a bit pricy, even for us here in beef country. But what I really like about beef tenderloin is that it’s a relatively lean cut of beef, it’s super tender and flavourful. It deserves a good sear to hold in the moisture and a generous drizzle of balsamic butter sauce.

Butter sauce comes in many forms, like Beurre Blanc-French butter sauce, Piccata sauce and the sauce on my Tarragon Chicken Cutlets
A butter sauce is quite simple and uber quick to pull off with a little know-how. In any butter sauce, it’s very important to use cold butter cut into small chunks. Cold butter melts more slowly, allowing the fat particles to breakdown and be dispersed throughout other liquids like wine, lemon juice, stock or in this case, balsamic vinegar. Adding butter gradually is equally as important. It allows all the fat particles to become completely emulsified but at a slower rate. This process creates a thicker and more stable sauce. Scientifically it’s a little more involved, but this gives you the idea behind it. Enjoy!

Author: Compelled to Cook
- 2 each beef tenderloin steaks size of choice 1 1/2 " thick
- 1 tbsp oil
- as needed kosher salt and pepper
- 1/3 cup beef broth
- 1/4 cup balsamic vinegar
- 1 sprig fresh rosemary
- 1 1/2 ounces cold unsalted butter cut into small chunks
- Pat steaks dry with a paper towel and season generously with salt and pepper on both sides.
- Add oil to a medium stainless steel skillet and heat on high. When the oil is hot add steaks and cook 4 to 4 1/2 minutes per side for medium-rare, flipping only once and getting a good sear on both sides.
- Remove steaks to a plate and cover with foil.
- Add balsamic vinegar, beef broth and rosemary to the same pan whisking to pick up any beefy bits left behind by the steak. Continue to cook over medium-high heat for about 4 minutes until sauce is reduced by at least half and can coat the back of a spoon. Remove rosemary sprig.
- Turn heat to low and whisk in butter one chunk at a time, allowing the butter to be incorporated before adding more. Once all the butter is incorporated remove from heat and adjust seasoning to taste with salt and pepper. Serve over steak or on the side as a dipping sauce. Makes about 1/3 cup of sauce.
Cooking time for steaks will be dependant on size. The steaks I used were approximately 8 ounces each and 1 1/2 " thick.
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