Sunny-Side-Up Herbed Tart Recipe: How to Make It

Ingredients

• 4 slices pancetta or 4 bacon strips
• 1 tablespoon olive oil
• 1 cup sliced fresh mushrooms
• 2 tablespoons chopped shallot
• 1 tablespoon minced fresh tarragon or 1 teaspoon dried tarragon
• 1 teaspoon sherry, optional
• 1/4 cup shredded Gruyere or Swiss cheese
• 1/4 cup shredded cheddar cheese
• 3 tablespoons sour cream
• 1/8 teaspoon salt
• Dash pepper
• TART:
• 1 sheet frozen puff pastry, thawed
• 5 large eggs, divided use
• 1 teaspoon water
• 1 tablespoon minced chives
• Dash each salt and pepper