Ma's Country-Style Beef Stroganoff | Command Cooking

Ingredients

• 2 tablespoons salted butter
• 1 small yellow onion, diced
• 6 ounces mushrooms, optional, sliced
• 2 pounds lean ground beef
• 3 tablespoons all-purpose flour
• 2 cups beef broth
• 1 cup sour cream
• salt, to taste
• pepper, to taste
• parsley, optional, to taste, for garnish