Ultimate Egg and Bacon Sandwich

Ingredients

• 2 Eggs
• Olive Oil, as needed
• 2 tbsp Red Wine Vinegar
• Salt & Pepper, to taste
• 4 large thick Slices of Bread
• 6 rashers of Smoked Streaky Bacon
• 3 medium Tomatoes, very finely diced (3 medium is approx 9oz/250g)
• 1 medium Red Onion, very finely diced (1 medium is approx 3.5oz/100g)
• 1/4 cup / 50g Light Brown Sugar
• Butter, as needed