Easy Crustless Quiche Recipe: A Savory Slice of Heaven!

Ingredients

• 1 tablespoon olive oil (15 ml)
• 1 small onion, finely chopped (about 1 cup)
• 4 ounces fresh spinach, roughly chopped (115g)
• 1/4 teaspoon salt (1.5g)
• 1/4 teaspoon black pepper (1.5g)
• 4 large eggs (US XL size)
• 1 cup whole milk (240 ml)
• 1/2 cup heavy cream (120 ml)
• 1/2 cup grated Gruyere cheese (50g), or Swiss cheese
• Pinch of grated nutmeg