A Sunday Frittata

• 8 large eggs
• ¼ cup (60 ml) heavy cream or half-and-half

Preheat the oven to 375°F (190°C).

In a medium bowl, gently whisk together the eggs and heavy cream. Season well with salt and pepper and set aside.

In a 10-inch (25 cm) cast-iron or nonstick skillet, melt the butter over medium heat. Add the onion and