This Crustless Zucchini Tomato Quiche is light, flavorful, and packed with fresh vegetables. Made with tender zucchini, juicy tomatoes, eggs, and cheese, it’s a healthy, low-carb meal that’s perfect for breakfast, brunch, lunch, or a light dinner.

Recipe Overview

Ingredients

Main Ingredients

• 6 large eggs
• 1 medium zucchini, grated
• 1 cup cherry tomatoes, halved
• 1 cup shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• ½ cup milk or half-and-half
• 1 small onion, finely diced
• 2 cloves garlic, minced

Seasonings

• 1 teaspoon Italian seasoning
• ½ teaspoon salt
• ¼ teaspoon black pepper
• ¼ teaspoon paprika

For the Baking Dish

• 1 tablespoon olive oil or cooking spray

Optional Garnishes

• Fresh basil
• Chopped parsley
• Extra Parmesan cheese

Equipment Needed

• 9-inch pie dish or quiche dish
• Mixing bowls
• Whisk
• Box grater
• Cutting board
• Sharp knife

Instructions

Step 1: Prepare the Zucchini

1. Grate the zucchini using a box grater.
2. Place it in a clean kitchen towel.
3. Squeeze out as much excess moisture as possible.

Tip

Removing excess water prevents a soggy quiche.

Step 2: Preheat the Oven

Preheat oven to 375°F (190°C).

Grease a 9-inch pie dish with olive oil or cooking spray.

Step 3: Prepare the Egg Mixture

In a large bowl whisk together:

• Eggs
• Milk
• Italian seasoning
• Salt
• Black pepper
• Paprika

Whisk until smooth.

Step 4: Add the Fillings

Stir in:

• Grated zucchini
• Cherry tomatoes
• Onion
• Garlic
• Mozzarella cheese
• Parmesan cheese

Mix until evenly combined.

Step 5: Fill the Dish

Pour the mixture into the prepared pie dish.

Spread evenly with a spatula.

Step 6: Bake

Bake for 35–40 minutes or until:

• Center is fully set
• Top is lightly golden
• A knife inserted in the center comes out clean

Step 7: Cool

Allow the quiche to rest for 10 minutes before slicing.

This helps it set properly.

Step 8: Serve

Garnish with:

• Fresh basil
• Parsley
• Extra Parmesan cheese

Serve warm.

Tips for the Best Crustless Quiche

Squeeze the Zucchini Well

This is the key to avoiding excess moisture.

Use Fresh Tomatoes

Cherry tomatoes provide sweetness and color.

Don’t Overbake

Overbaking can make the eggs rubbery.

Let It Rest

Resting improves texture and slicing.

Flavor Variations

Spinach Zucchini Quiche

Add:

• 1 cup fresh spinach

Mediterranean Quiche

Add:

• Feta cheese
• Kalamata olives
• Fresh oregano

Bacon & Zucchini Quiche

Add:

• 6 slices cooked bacon, crumbled

Mushroom Tomato Quiche

Add:

• 1 cup sautéed mushrooms

Spicy Garden Quiche

Add:

• Diced jalapeños
• Red pepper flakes

What to Serve With

Breakfast Pairings

• Fresh fruit
• Yogurt parfait
• Whole-grain toast

Lunch Options

• Green salad
• Cucumber salad
• Roasted vegetables

Brunch Favorites

• Hash browns
• Fruit salad
• Fresh pastries

Storage Instructions

Refrigerator

Store covered in the refrigerator for up to 4 days.

Freezer

Freeze individual slices for up to 2 months.

Wrap tightly before freezing.

Reheating

Microwave

Heat for 30–60 seconds.

Oven

Warm at 325°F (163°C) for 10 minutes.

Nutrition Information

Per Serving (Approximate)

Frequently Asked Questions

Can I use yellow squash instead of zucchini?

Yes. Yellow squash works perfectly and offers a similar texture.

Can I make this ahead of time?

Absolutely. It’s excellent for meal prep and reheats beautifully.

Can I use different cheeses?

Yes. Cheddar, Swiss, Gruyère, feta, or goat cheese all work well.

Why is my quiche watery?

The zucchini likely wasn’t drained enough. Always squeeze out excess moisture before mixing.

Is this recipe gluten-free?

Yes, it’s naturally gluten-free since there’s no crust.

Recipe Notes

✅ Low-carb and gluten-free.

✅ High in protein.

✅ Great for meal prep.

✅ Packed with vegetables.

✅ Perfect for breakfast, brunch, or dinner.

Make-Ahead Tip

Prepare and bake the quiche the day before. Refrigerate overnight and reheat slices as needed.

Serving Suggestion

Pair with a crisp garden salad and fresh fruit for a balanced and satisfying meal. 🍅🥒🧀✨

Chef’s Secret

Sprinkle a little extra Parmesan on top before baking. It creates a beautifully golden, savory crust that adds incredible flavor and texture to every slice. 😋🍅🧀🌿✨

FAQs

Can I use egg whites only?

Yes. Substitute the 6 whole eggs with 1½ cups egg whites for a lighter version.

How do I know when it’s done?

The center should be set and no longer jiggle when gently shaken.

Can I add meat?

Absolutely. Cooked bacon, sausage, ham, or shredded chicken are great additions.

Can I serve it cold?

Yes! This quiche is delicious warm, chilled, or at room temperature.

Is it keto-friendly?

Yes. With only about 5g of carbohydrates per serving, it’s suitable for most low-carb and keto lifestyles. 🥚🥒🍅🧀💚