PORK TENDERLOIN WITH ROSEMARY

Pork Tenderloin with Rosemary image

Provided by Martha Stewart

Time 40m

Number Of Ingredients 9

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3 tablespoons butter, melted
1 tablespoon olive oil
3 garlic cloves, minced
1 1/2 teaspoons dried rosemary, crumbled
Coarse salt and ground pepper
2 small red onions, halved and cut lengthwise into 1/2-inch slices (2 cups)
2 pork tenderloins (3/4 to 1 pound each)
2 teaspoons all-purpose flour
1/4 cup Madeira

Steps:

Preheat oven to 450 degrees. In a small bowl, stir together 1 tablespoon butter, oil, garlic, rosemary, 1 teaspoon salt, and 1/4 teaspoon pepper.
In a small, shallow roasting pan, toss onions with half the butter mixture; push to sides; place pork in center. Rub remaining butter mixture over pork. Roast 10 minutes.
Heat broiler; set rack 4 inches from heat. Broil until pork registers 155 degrees on an instant-read thermometer, 10 minutes. Remove pork from pan.
Whisk flour and remaining 2 tablespoons butter in a small bowl; set aside. Place roasting pan with onions over medium-high heat. Add 3/4 cup water; bring to a boil, stirring to loosen any browned bits. Add Madeira and flour mixture. Cook sauce, stirring, until slightly thickened, 3 to 5 minutes.
Slice pork 1/4 inch thick, and divide among plates; spoon sauce on top.