Table of Contents: Low Carb Crustless Tomato Pie
Low Carb Crustless Tomato Pie
Summertime calls for recipes that are fresh, light, and flavorful. But if you’re trying to cut carbs or follow a keto or diabetic-friendly diet, traditional tomato pie—with its flaky, carb-heavy crust—is off the table. Enter the low carb crustless tomato pie: a cheesy, savory, and incredibly satisfying twist on a classic Southern favorite.
In this ultimate guide, we’ll walk you through everything you need to know—from ingredients and preparation tips to smart storage strategies and low-carb nutrition breakdowns. Whether you’re a keto beginner or a seasoned health-conscious cook, this crustless version is sure to become your next go-to recipe.
👉 Looking for inspiration? Try our Keto Zucchini Lasagna recipe for another low-carb dinner winner.
What Is a Low Carb Crustless Tomato Pie?
The Origins of Tomato Pie
Tomato pie is a beloved Southern comfort food, often served during warm months when fresh garden tomatoes are in abundance. Traditionally, it includes a biscuit or pastry crust, a rich layer of mayonnaise, cheddar cheese, and ripe tomato slices.
The classic recipe became popular in regions like North Carolina and Georgia, often as a centerpiece at potlucks, church gatherings, or summer cookouts.
Low-Carb Variation: What Makes It Different?
What makes the low carb crustless tomato pie different isn’t just the absence of crust—it’s the health-forward focus on keto-friendly ingredients. By removing the high-carb base and using low-carb binding agents like eggs and cheese, you retain all the savory goodness without the guilt.
This recipe is:
- Crust-free
- Gluten-free
- Keto-approved
- Packed with protein and healthy fats
It’s the ultimate guilt-free way to enjoy tomatoes at their peak ripeness.
Why Choose a Crustless Version?
Health Benefits of Going Crustless
Removing the crust isn’t just a carb-saving trick. It also helps:
- Reduce calorie intake by up to 30%
- Lower blood sugar spikes
- Eliminate processed flour and gluten
- Make the dish lighter and easier to digest
Crustless tomato pie still delivers that creamy, rich taste—just with fewer health drawbacks.
Perfect for Keto, Paleo, and Diabetic Diets
Thanks to its minimal carb count, low carb crustless tomato pie fits seamlessly into:
- Keto: High-fat and low-carb
- Paleo: When using dairy-free cheese alternatives
- Diabetic-friendly diets: Helps manage blood sugar with low glycemic ingredients
Pair it with a fresh arugula salad or grilled chicken for a complete meal.
Key Ingredients of Low Carb Crustless Tomato Pie
Must-Have Fresh Ingredients
To make this recipe pop, use fresh and high-quality ingredients:
Ingredient | Why It’s Used |
---|---|
Fresh Tomatoes | Juicy, ripe, and full of flavor |
Eggs | Acts as a binder |
Cheese (Cheddar, Mozzarella) | Provides richness & structure |
Herbs (Basil, Oregano) | Brings aromatic, earthy tones |
Garlic & Onions | Adds complexity and depth |
Low-Carb Substitutes to Avoid Common Mistakes
Instead of using flour or breadcrumbs to firm up the pie:
- Almond flour (1 tbsp) can help absorb extra moisture
- Coconut flour for a slightly sweeter, nuttier crust
- Chia seeds can also soak up liquid and add fiber
Avoid watery vegetables like zucchini unless pre-cooked and drained.
How to Make the Perfect Crustless Tomato Pie
Step-by-Step Cooking Instructions
- Prep the tomatoes: Slice, sprinkle with salt, and let them drain for 30 mins on paper towels
- Preheat the oven to 375°F
- Whisk eggs with shredded cheese and herbs
- Layer tomatoes in a greased 9-inch pie dish
- Pour egg-cheese mixture over tomatoes evenly
- Bake for 30–35 minutes until golden and firm
- Cool for 10 minutes before serving
Chef Secrets for a Firm and Flavorful Pie
- Use heirloom tomatoes for sweeter taste
- Always drain tomato slices to prevent sogginess
- Add a thin layer of caramelized onions between layers for depth
- Bake uncovered to reduce excess liquid
Discover great ideas like our Keto Cauliflower for the perfect low-carb side dish.
How to Keep Tomato Pie From Being Watery?
Tomato Prep Techniques That Work
Moisture is the number one reason your pie turns into a soggy mess. Here’s how to fix it:
- Salt and drain tomatoes on paper towels for at least 30 minutes
- Roast tomatoes before layering them in the pie
- Remove seeds to cut down on extra liquid
- Blot excess moisture with clean kitchen towels
Best Cheese Choices to Avoid Moisture
Some cheeses melt into oily puddles. Use:
- Shredded mozzarella (low moisture)
- Aged cheddar (firmer, less oily)
- Parmesan (grated for flavor without adding water)
Avoid soft cheeses like ricotta or cottage cheese unless drained well.
Carb Count & Nutritional Info

How Many Carbs Does Tomato Pie Have?
On average, a low carb crustless tomato pie has:
Nutrient | Per Slice (1/6 pie) |
---|---|
Calories | 185–220 |
Carbs | 4–6g |
Protein | 12–15g |
Fat | 14–18g |
Fiber | 1–2g |
Great for keto dieters who aim to stay under 20–30g of carbs per day.
Calories, Protein, and Fiber Breakdown
Eggs and cheese keep protein high while tomatoes and herbs offer trace fiber. You can boost fiber with a sprinkle of flax meal or chia in the mix.
Taste and Texture Breakdown
What Does Tomato Pie Taste Like?
A low carb crustless tomato pie is:
- Creamy
- Slightly tangy from the tomatoes
- Herbaceous thanks to fresh basil and oregano
- Rich and savory with melted cheese
It’s like lasagna meets quiche—with no pasta or crust to weigh it down.
Flavor Profiles Based on Cheese and Herbs Used
- Mozzarella + basil = Mild and fresh
- Cheddar + thyme = Sharp and rustic
- Feta + dill = Mediterranean twist
Storage & Serving Suggestions: Low Carb Crustless Tomato Pie
Are You Supposed to Refrigerate Tomato Pie?
Yes! After baking:
- Cool completely
- Store in an airtight container
- Refrigerate for up to 4 days
How to Reheat and Freeze for Later Use
- Reheat at 350°F for 10 minutes (covered with foil)
- Freeze in individual slices wrapped tightly in foil
- Defrost in the fridge overnight before reheating
Customization Ideas & Variations
Add Protein: Chicken, Turkey, or Tofu Options
Make your pie even heartier by adding:
- Grilled chicken strips
- Ground turkey
- Cubed firm tofu (for vegetarian keto)
Spice It Up: Jalapeños, Chili Flakes, or Cajun Style
Add heat with:
- Sliced jalapeños
- Cayenne or red pepper flakes
- Cajun seasoning or smoked paprika
🌟 Don’t miss our spicy Chicken Casserole for more heat-packed keto eats!
People Also Ask: Low Carb Crustless Tomato Pie

How to keep tomato pie from being watery?
Use firm tomatoes, salt and drain them, avoid high-moisture cheese, and bake uncovered.
How many carbs does a tomato pie have?
A typical slice of crustless tomato pie contains 4–6g net carbs, ideal for keto.
What does tomato pie taste like?
It’s savory, creamy, and tangy—like a blend of lasagna, quiche, and cheesy casserole.
Are you supposed to refrigerate tomato pie?
Yes. Cool completely and store in the fridge in an airtight container for up to 4 days.
Conclusion: Is Low Carb Crustless Tomato Pie Worth Making?
Absolutely. It’s the perfect low-carb alternative to a classic Southern dish. With fewer carbs, rich taste, and endless ways to customize, this pie is a must-try whether you’re on a keto diet or just want a lighter summer dinner.
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Low Carb Crustless Tomato Pie
- Total Time: 50 minutes
- Yield: 4 servings 1x
Description
A low-carb, crustless tomato pie packed with fresh herbs, gooey mozzarella, and the comforting flavor of baked tomatoes—perfect for summer meals.
Ingredients
- 4 tomatoes, sliced
- 1–2 teaspoons salt
- 1 Tablespoon butter
- ½ cup onion, chopped
- 1 clove garlic, minced
- ½ teaspoon black pepper
- 2 Tablespoons fresh oregano, chopped
- 6–7 leaves basil, chopped
- 2 cups mozzarella cheese, shredded
- Extra mozzarella cheese, for topping
- 2 eggs, beaten
Instructions
- Preheat oven to 375°F (190°C).
- Lay sliced tomatoes on paper towels and sprinkle with salt to draw out moisture. Let sit 10 minutes, then pat dry.
- In a skillet, melt butter and sauté onions until soft. Add garlic and cook for another minute.
- In a mixing bowl, combine sautéed onions, garlic, black pepper, oregano, basil, mozzarella, and eggs.
- Layer half the tomatoes in a greased pie dish.
- Pour cheese and herb mixture over tomatoes.
- Top with remaining tomato slices and sprinkle with extra mozzarella.
- Bake for 30-35 minutes, until set and golden on top.
- Let cool slightly before slicing and serving.
Notes
Use ripe, firm tomatoes for best results. Removing excess tomato moisture is key to avoiding a watery pie.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Low Carb
- Method: Baked
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 210
- Sugar: 3g
- Sodium: 550mg
- Fat: 14g
- Saturated Fat: 7g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 1g
- Protein: 14g
- Cholesterol: 85mg
Keywords: low carb, tomato pie, crustless, keto friendly