Beef Roast with Mushroom-Onion Sauce and Dijon Herb Potatoes | Publix Super Markets

Ingredients

• 4 lb boneless NY strip loin roast
• 2 tablespoons canola oil
• 1 (1.25-oz) packet onion/garlic potato seasoning
• 1 (9-oz) package frozen pearl onions in cream sauce
• 16 oz whole mushrooms
• 2 cups water
• 1 tub concentrated homestyle beef stock
• 1/2 cup Marsala wine (or beef broth)
• 1/4 cup fresh Italian parsley, finely chopped
• 2 tablespoons herb garlic butter, softened
• 1 tablespoon all purpose flour
• 1 tablespoon canola oil
• 3 tablespoons garlic herb butter
• 1 bag baby gold potatoes, halved (24–28 oz)
• Zest/juice of 1 lemon
• 1/4 cup Dijon mustard
• 2 tablespoons grated Parmesan cheese
• 1/4 teaspoon kosher salt
• 1/4 teaspoon pepper
• 3 tablespoons fresh Italian parsley, finely chopped