Instructions:
- Preheat the Oven
Set your oven to 350°F (175°C). - Caramelize the Onions
In a skillet over medium heat, cook sliced onions in a spoonful of bacon drippings until soft and golden, about 10 minutes. Set aside to cool slightly. - Layer the Pie
In the pre-baked crust, layer half the caramelized onions, followed by half the tomato slices and half the crumbled bacon. Repeat with remaining onions, tomatoes, and bacon. - Prepare the Topping
In a small bowl, mix together mozzarella cheese, mayonnaise, sour cream, flour, garlic powder, salt, and pepper until well blended. - Top and Bake
Spread the cheese mixture evenly over the layered filling. Place the pie on a baking sheet and bake for 35–40 minutes, or until the top is golden brown and bubbly. - Cool and Garnish
Allow to rest for a few minutes before slicing. Garnish with fresh chives or parsley if desired.
Variations :
- Substitute Gruyère or sharp cheddar for mozzarella for a more complex flavor.
- Add a handful of baby spinach to the layers for a green twist.
- For a spicier version, include a few slices of jalapeño or a dash of hot sauce in the topping.
Tips :
- Pre-roast tomato slices on a paper towel-lined baking sheet at 375°F for 10 minutes to reduce excess moisture and keep the crust from getting soggy.
- Let the pie rest for at least 10 minutes after baking for easier slicing.
- Use a glass pie dish to better monitor the bottom crust for even browning.
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This pie brings together everything you love about comfort food with a fresh and flavorful touch—ideal for any time you want a savory showstopper.