Caramelized Onion and Spinach Quiche

Name: Caramelized Onion and Spinach Quiche
Prep time: 20 min
Cook time: 1 h 15 min
Total time: 1 h 35 min
Cuisine: American
Ingredients: 1 Homemade Pie Crust OR 1 Storebought/Premade Pie Crust; 1 Yellow Onion; 1 1/2 Tablespoon Butter - divided; 3-5 Ounces Spinach; 8 Eggs; 1/2 Cup Milk; 1/2 Teaspoon Salt; 1/4 Teaspoon Red Pepper Flakes; 1/8 Teaspoon White Pepper; 1 Cup Swiss Cheese - grated

Instructions

Prep:20minCook:1h 15min

Caramelized onion and spinach quiche is a Southern breakfast classic that everyone will love! Packed with sweet onions, Swiss cheese, and simple spices, all nestled in a flaky homemade pie crust, this oven-baked quiche comes together beautifully in just 45 minutes at 350°F. Perfect for brunch or a make-ahead meal, it’s sure to be a new favorite in your rotation!

Updated at: Tue, 16 Sep 2025 13:41:05 GMT