Beef Stroganoff With Potatoes Recipe

Ingredients

• 1 lb beef sirloin or tenderloin, cut into thin strips
• 2 tablespoons olive oil or vegetable oil
• 1 medium onion, finely chopped
• 2 cloves garlic, minced
• 8 oz mushrooms, sliced (cremini or white button mushrooms work best)
• 1 cup beef broth (preferably low sodium)
• 1 cup sour cream (full-fat for creaminess)
• 1 tablespoon Dijon mustard
• 2 tablespoons all-purpose flour
• Salt and freshly ground black pepper, to taste
• Fresh parsley for garnish (optional)
• 2 lbs potatoes (Yukon Gold or Russet), peeled and cut into bite-sized chunks
• 3 tablespoons unsalted butter
• 1/4 cup whole milk or heavy cream
• Salt, to taste
• Freshly ground black pepper, to taste
• 1 teaspoon paprika
• 1/2 teaspoon thyme (dried or fresh)