Ultimate Crustless Quiche Recipe: Effortless Full English!

Ingredients

• 6 large eggs
• 1 cup (240ml) heavy cream
• 1/2 cup (120ml) milk
• 1 teaspoon kosher salt
• 1/2 teaspoon black pepper, freshly ground
• 1/4 teaspoon grated nutmeg (optional)
• 6 ounces (170g) bacon, cooked and crumbled
• 1 cup (100g) shredded Gruyere cheese
• 1/2 cup (50g) shredded cheddar cheese
• 1 medium onion, finely diced
• 1 tablespoon olive oil
• 1 tablespoon unsalted butter, softened (for greasing the pan)