Stout and Cheddar Rarebit with Fried Eggs Recipe | Epicurious

Ingredients

• 1/3 cup cider vinegar
• 2 teaspoons granulated sugar
• 1 small red onion, thinly sliced
• 1 1/2 tablespoons unsalted butter
• 1 1/2 tablespoons all-purpose flour
• 1/2 teaspoon dry mustard
• 1/2 cup Guinness Extra Stout (without foam)
• 1/3 cup water
• 2 teaspoons packed brown sugar
• 1/2 teaspoon Worcestershire sauce
• 8 large eggs
• 4 thick slices peasant bread (preferably sourdough)
• 1/2 pound extra-sharp white Cheddar, grated
• 1 bunch watercress, coarse stems discarded
• 1/2 tablespoon extra-virgin olive oil