Indulge in the rich flavors of Caramelized Onion Swiss Quiche with this easy recipe! Perfect for brunch or a cozy dinner, this quiche features golden caramelized onions and creamy Swiss cheese baked in a flaky crust. Ready in just 1 hour, it's a delicious way to impress your family and friends. Click through for step-by-step instructions and tips to make your quiche a stunning centerpiece on your table!
1 pre-made pie crust (or homemade if preferred)
3 large onions, thinly sliced
2 tablespoons olive oil
1 tablespoon butter
4 large eggs
1 cup heavy cream
1 cup grated Swiss cheese
1 teaspoon dried thyme
Salt and pepper to taste
Fresh parsley for garnish (optional)