BEST Onion Gravy | Recipe Cart | Recipe Cart

Ingredients

• 1/2 stick (56 grams) unsalted butter
• 2 large yellow onions (, peeled, cut in half and thinly sliced (or diced if you prefer smaller pieces))
• 2 teaspoons sugar
• 1/2 cup red wine
• 2 sprigs fresh thyme
• 1 large sprig fresh sage
• 2 cups strong beef broth
• 1 teaspoon Worcestershire sauce
• 1 teaspoon salt
• 1/2 teaspoon prepared yellow mustard
• 1/4 teaspoon freshly ground black pepper
• 1 tablespoon dark balsamic vinegar
• 1 tablespoon cornstarch dissolved in 1 tablespoon water
• 2 tablespoons cold unsalted butter