Beef Gravy Recipe | How to Make Brown Gravy — The Mom 100

Ingredients

• 2 tablespoons unsalted butter
• 2 tablespoons minced red onion
• 1 tablespoon minced garlic
• 2 tablespoons all-purpose flour
• ¼ cup red wine
• 1 cup beef or chicken stock
• Kosher salt and freshly ground black pepper ((to taste))
• 3 tablespoons sherry vinegar