Bacon Onion Tomato Pie is a deep-dish savory pie built with ripe tomato slices, smoky bacon, sweet onions, and a creamy cheddar topping. The crust is blind-baked first, which gives the filling a sturdier base and keeps each wedge from turning soft underneath. Slowly cooking the onions adds mellow sweetness, while crisp bacon and cracked black pepper balance the tomatoes’ fresh acidity. A mayonnaise and Greek yogurt layer melts into the shredded yellow and white cheddar, creating a rich, lightly tangy finish without needing a separate custard. This pie works especially well for brunch, lunch, or a casual summer dinner, and it slices most cleanly after a short rest once it leaves the oven.

Why This Bacon Onion Tomato Pie Works

Each layer is prepared to keep the pie rich and satisfying without losing the fresh character of the tomatoes.

• Sturdy crust: Blind-baking dries and firms the deep-dish shell before the moist filling goes in, helping the bottom stay crisp enough to support clean wedges.
• Balanced filling: Smoky bacon, mellow onions, juicy tomatoes, and sharp cheddar create savory depth while the tomatoes keep the finished pie from feeling overly heavy.
• Creamy topping: Mayonnaise and Greek yogurt form a tangy binder that melts into the cheese and settles around the layers without requiring eggs or a custard base.
• Smart tomato prep: Draining the slices on towels removes excess surface moisture, which protects the crust and keeps the filling from releasing a watery pool.
• Flexible serving: The pie is substantial enough for dinner, polished enough for brunch, and convenient to portion once it has rested and set after baking.

Ingredients Notes

• Deep-dish pie crust (1 9-inch / 23cm): A sturdy crimped shell gives the generous filling enough height. In my kitchen, a metal pie plate produces the crispest bottom.
• Thick-cut smoked bacon (8 oz / 225g): Dice it before cooking so the pieces brown evenly and distribute through every slice without creating large, chewy sections.
• Yellow onions (2 medium): Thin slices soften faster and develop a gentle sweetness that balances the salty bacon and sharp cheese without turning the pie sugary.
• Ripe tomatoes (3 large): Choose firm, meaty tomatoes with good color. Very soft tomatoes release more liquid and make it harder for the filling to set cleanly.
• Mayonnaise (1/2 cup / 120ml): Use a thick mayonnaise for the smoothest topping; thinner dressings can loosen as they heat and may make the center oily.
• Greek yogurt or sour cream (1/4 cup / 60ml): Either adds tang and lightens the mayonnaise layer. Full-fat versions hold their texture best during baking.
• Yellow and white cheddar (1 1/2 cups / 170g): I prefer freshly shredded cheese because it melts smoothly and forms a cohesive topping rather than a dry, grainy layer.
• Fresh chives (3 tablespoons / 12g): Their mild onion flavor brightens the rich filling. Reserve a small pinch for the top if a fresh green finish is desired.
• Coarse black pepper (1 teaspoon / 2g): Freshly cracked pepper adds a noticeable warm bite and complements the smoky bacon without needing another strong spice blend.

Before You Begin

• Heat the oven: Preheat to 375°F / 190°C and place a rimmed baking sheet on the center rack to catch drips and support the pie plate.
• Prepare for blind-baking: Have parchment and pie weights or dried beans ready so the deep-dish crust keeps its shape while the base firms.
• Drain the tomatoes: Lay slices between clean towels for at least 15 minutes, replacing damp towels if needed before the pie is assembled.
• Cool the cooked filling: Let the bacon and onions stop steaming before layering them into the crust so trapped heat does not soften the pastry.

How to Make Bacon Onion Tomato Pie

• Step 1 – Blind-Bake the Crust: Line the chilled crust with parchment, add pie weights, and bake for 12 minutes. Remove the weights and parchment, then bake 5 minutes more until the base looks dry.
• Step 2 – Crisp the Bacon: Cook the diced bacon in a large skillet over medium heat until browned and crisp. Transfer it to a paper towel-lined plate, leaving about 1 tablespoon of drippings in the pan.
• Step 3 – Soften the Onions: Add the sliced onions to the skillet and cook over medium-low heat for 12 to 15 minutes, stirring often, until soft, lightly golden, and reduced in volume.
• Step 4 – Dry the Tomatoes: Arrange the tomato slices on absorbent towels and blot both sides thoroughly. Keep the slices intact, but remove as much visible moisture as possible before layering.
• Step 5 – Mix the Cheese Topping: Stir the mayonnaise, Greek yogurt or sour cream, 1 cup of cheddar, chives, and black pepper until evenly combined and thick enough to spread.
• Step 6 – Build the Pie: Spread the onions over the crust, scatter on the bacon, and overlap the tomato slices. Spoon the creamy cheese mixture across the top and finish with the remaining cheddar.
• Step 7 – Bake and Rest: Set the pie on the hot baking sheet and bake for 30 to 35 minutes, until bubbling and golden. Rest for 20 minutes before slicing so the layers settle.

How to Know It’s Done

• Golden top: The cheddar should be melted with browned patches around the center and deeper color near the crimped edge.
• Bubbling filling: Small bubbles should appear around the outer tomato layer, showing that the creamy topping is hot throughout.
• Set center: A gentle shake should produce only slight movement; the topping should not look loose, wet, or oily in the middle.
• Clean slicing: After a 20-minute rest, the filling should hold together when cut while the tomatoes remain tender and distinct.

Nora’s Tips for Best Results

• Use firm tomatoes: Dense, ripe tomatoes deliver better slices and release less liquid than overripe fruit with soft seed pockets.
• Grate the cheese fresh: I use a block of cheddar because freshly shredded strands melt into the mayonnaise mixture without the powdery coating found on packaged cheese.
• Cook onions gently: Keep the heat moderate so the slices soften and sweeten without developing burnt edges that could taste bitter in the finished pie.
• Protect the crust: If the crimped edge darkens early, cover only the rim with foil and leave the center exposed to finish browning.
• Rest before serving: I recommend waiting the full 20 minutes; cutting too soon releases steam and makes the cheese layer slide away from the tomatoes.

Storage & Leftovers Tips

• Fridge: Cool the pie within 2 hours, cover it tightly, and refrigerate for up to 3 days.
• Freezer: Freeze fully baked slices for up to 1 month, wrapped individually; expect the tomatoes to soften slightly after thawing.
• Thaw: Transfer frozen slices to the refrigerator overnight before reheating so the crust warms evenly without scorching at the edges.
• Reheat: Warm slices at 350°F / 175°C for 15 to 20 minutes on a baking sheet until the center reaches 165°F / 74°C.
• Keep it crisp: Avoid the microwave when possible because it softens the pastry and can make the tomato layer release extra moisture.

Variations & Substitutions

• Sour cream version: Replace the Greek yogurt with an equal amount of full-fat sour cream for a rounder, slightly richer topping.
• Cheese swap: Use Monterey Jack, Gruyère, or a mild smoked cheddar for part of the cheese while keeping at least half sharp cheddar.
• Heirloom tomato mix: Combine firm heirloom varieties in different colors for a more visual top layer, but drain every slice thoroughly.
• Turkey bacon option: Substitute cooked turkey bacon and soften the onions in a tablespoon of neutral oil since fewer drippings will remain.
• Gentle heat: Add one finely chopped jalapeño to the onions or a pinch of red pepper flakes to the creamy topping.

What to Serve With Bacon Onion Tomato Pie

• Arugula salad: Peppery greens with lemon vinaigrette cut through the creamy cheddar and bacon.
• Roasted asparagus: Crisp-tender spears add a simple vegetable side without competing with the savory pie.
• Fresh fruit: Berries, melon, or peaches make the plate feel lighter for brunch or lunch.
• Tomato-free soup: A mild corn or potato soup turns a small wedge into a cozy dinner.
• Soft scrambled eggs: Serve smaller slices beside eggs for a substantial weekend brunch spread.
• Unsweetened iced tea: A cold, clean-tasting drink balances the salty bacon and rich cheese topping.

FAQs

Bacon Onion Tomato Pie

Nora Collins

Bacon Onion Tomato Pie layers ripe tomatoes, smoky bacon, sweet onions, and cheddar in a crisp deep-dish crust. Its creamy, tangy topping and clean slices make it a reliable choice for brunch, lunch, or a casual summer dinner.

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Prep Time 25 minutes mins

Cook Time 1 hour hr 15 minutes mins

Total Time 1 hour hr 40 minutes mins

Course Main Course

Cuisine American

Servings 8 servings

Calories 510 kcal

Equipment

• 9-inch deep-dish pie plate
• Rimmed baking sheet
• Parchment paper and pie weights
• Large skillet
• Mixing bowl
• Paper towels or clean kitchen towels

Ingredients

  

• 1 9-inch deep-dish pie crust homemade or store-bought, with crimped edges
• 8 oz thick-cut smoked bacon diced
• 2 medium yellow onions thinly sliced
• 3 large ripe tomatoes sliced 1/2-inch thick
• 1/2 cup mayonnaise high-quality
• 1/4 cup Greek yogurt or sour cream plain
• 1 1/2 cups yellow and white cheddar cheese freshly shredded
• 3 tbsp fresh chives chopped
• 1 tsp coarse black pepper freshly cracked

Instructions

 

• Preheat the oven to 375°F / 190°C and set a rimmed baking sheet on the center rack.
• Line the crust with parchment and pie weights, bake for 12 minutes, remove the weights, and bake 5 minutes more until the base looks dry.
• Cook the diced bacon in a skillet over medium heat until crisp, then drain it on paper towels and reserve about 1 tablespoon of drippings.
• Cook the sliced onions in the reserved drippings over medium-low heat for 12 to 15 minutes until soft and lightly golden, then cool slightly.
• Blot the tomato slices thoroughly on both sides with clean towels to remove as much surface moisture as possible.
• Mix the mayonnaise, Greek yogurt or sour cream, 1 cup of cheddar, chives, and black pepper until thick and evenly combined.
• Layer the onions, bacon, and tomatoes in the crust, spread the creamy cheese mixture on top, and finish with the remaining cheddar.
• Bake on the hot sheet for 30 to 35 minutes until golden and bubbling, then rest for 20 minutes before slicing.

Notes

Storage: Refrigerate the cooled pie for up to 3 days, covered tightly.

Reheating: Warm slices at 350°F / 175°C for 15 to 20 minutes until the center reaches 165°F / 74°C.

Best Tips: Blind-bake the crust, drain the tomatoes thoroughly, and let the pie rest before slicing.

Variations: Swap part of the cheddar for Gruyère or Monterey Jack, or use turkey bacon with a little neutral oil.

Freezing: Freeze cooled individual slices for up to 1 month; thaw overnight before reheating.

Keyword bacon tomato pie, brunch pie recipe, cheddar tomato pie, deep-dish tomato pie, savory tomato pie