Crustless Tomato Basil Mozzarella Quiche

If you’re looking for a light yet satisfying breakfast (or brunch!) option, this Crustless Tomato Basil Mozzarella Quiche is a winner. It’s fluffy, cheesy, packed with fresh herbs, and naturally gluten-free since there’s no crust involved.

With juicy cherry tomatoes, fragrant basil, melted mozzarella, and savory Parmesan, this dish brings classic Caprese flavors into a simple baked egg casserole that’s perfect for busy mornings or elegant brunch spreads.

Best of all? It comes together in just 45 minutes.

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Why I Love This Recipe

As someone who appreciates meals that are both nourishing and flavorful, this quiche hits the sweet spot:

• High in protein
• Low in carbs
• Naturally gluten-free
• Fresh, vibrant flavors
• Perfect for meal prep

It’s lighter than traditional pastry-based quiche but just as satisfying. If you enjoy egg-based breakfasts, you’ll also love Protein-Packed Egg Muffins for Easy Meal Prep — another fantastic make-ahead option.

This quiche is simple enough for a weekday morning and elegant enough for guests.

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Ingredients

Here’s what you’ll need for 6 servings:

• 6 large eggs
• 1 cup milk or half and half
• 1 cup shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• 1 cup cherry tomatoes, halved
• ½ cup fresh basil leaves, chopped
• 1 small onion, finely diced (optional)
• 2 cloves garlic, minced
• 1 tablespoon olive oil
• Salt, to taste
• Black pepper, to taste

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Ingredient Notes & Swaps

• Milk vs. Half and Half: Half and half creates a richer texture.
• Mozzarella: Fresh mozzarella can be used, but pat it dry first.
• Basil: Fresh is essential for that bright flavor.
• Onion: Optional, but adds depth.
• Add-ins: Spinach, mushrooms, or cooked bacon make great additions.

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Step-by-Step Instructions

1. Preheat

Preheat oven to 375°F (190°C). Grease a 9-inch pie or baking dish.

2. Sauté Aromatics

Heat olive oil in a skillet over medium heat. Sauté onion (if using) and garlic until softened and fragrant.

3. Mix the Egg Base

In a bowl, whisk together eggs, milk (or half and half), salt, and black pepper.

4. Add the Good Stuff

Stir in mozzarella, Parmesan, chopped basil, and the sautéed onion and garlic mixture.

5. Assemble

Pour the mixture into the prepared baking dish. Scatter halved cherry tomatoes evenly over the top.

6. Bake

Bake for 30–35 minutes, until the center is set and the top is lightly golden.

7. Rest & Serve

Let cool for about 5 minutes before slicing.

Serve warm or at room temperature.

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Tips for Success

• Don’t overbake — the center should be just set.
• Let it rest briefly before slicing for cleaner pieces.
• Use fresh basil added just before baking for the brightest flavor.
• If meal prepping, allow it to cool completely before storing.

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Serving Suggestions & Pairings

This quiche is wonderfully versatile and pairs beautifully with:

• A fresh fruit salad
• Toasted sourdough
• A light green salad

For a full brunch spread, serve alongside:

• Classic French Toast – The Golden Breakfast Everyone Loves
• Fluffy Buttermilk Pancakes – The Secret to a Perfect Breakfast Stack

If you prefer a lighter make-ahead option for the week, try The Ultimate Overnight Oats Guide – 1 Base Recipe, 6 Easy Flavors.

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Nutritional Information (Per Serving)

• Calories: 210
• Fat: 14g
• Carbohydrates: 6g
• Protein: 15g

This makes it an excellent high-protein, lower-carb breakfast choice.

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Storage & Leftover Tips

• Refrigerator: Store in an airtight container for up to 4 days.
• Reheat: Warm slices in the microwave for 30–45 seconds.
• Freezer: Freeze individual slices for up to 2 months.

It reheats beautifully, making it ideal for meal prep.

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More Recipes You’ll Love

If you enjoy wholesome, satisfying breakfasts, be sure to check out:

• Protein-Packed Egg Muffins for Easy Meal Prep
• The Ultimate Overnight Oats Guide – 1 Base Recipe, 6 Easy Flavors
• Classic French Toast – The Golden Breakfast Everyone Loves
• Easy Meal Prep Chicken Salad – Classic & Creative Riffs

They’re perfect additions to your weekly meal rotation.

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Final Thoughts

This Crustless Tomato Basil Mozzarella Quiche proves that simple ingredients can create incredible flavor. It’s light, fluffy, fresh, and satisfying — everything a great breakfast should be.

If you give this recipe a try, I’d love to hear how you customized it. Leave a comment with your favorite add-ins or serving ideas, and follow along for more easy, nourishing recipes straight from my kitchen to yours.