Instant Pot Quiche: A Crustless Delight
Looking for a quick, easy, and delicious breakfast or brunch option? This Instant Pot quiche without crust recipe is your answer! Baking a traditional quiche can be time-consuming and require careful attention to the oven. But with the magic of the Instant Pot, you can create a fluffy, moist, and flavorful quiche in a fraction of the time, without the hassle of a crust. This crustless quiche is also a fantastic option for those looking to reduce their carbohydrate intake without sacrificing flavor. Whether you’re hosting a brunch with friends or simply want a satisfying meal for yourself, this recipe is guaranteed to impress.

Growing up, quiche was a staple in my household. My mom made her Easy Spinach Quiche regularly, and I always looked forward to it. That early exposure instilled in me a love for diverse flavors, and now I make quiche for my own family. This Instant Pot version is a game-changer, offering all the deliciousness of a traditional quiche but with the convenience and speed of pressure cooking.
The beauty of quiche lies in its versatility. While the core ingredients – eggs and cheese – remain consistent, the variations are endless. You can customize your quiche with your favorite vegetables, meats, and herbs, creating a dish that perfectly suits your taste. It’s a fantastic way to use up leftover ingredients and experiment with new flavor combinations. From classic Lorraine to vegetarian delights, the possibilities are truly limitless.
In this recipe, we’re focusing on a mushroom quiche, reminiscent of our Bisquick Zucchini Quiche, but without the crust. By using the Instant Pot, we’re essentially steaming the quiche, which eliminates the need for a crust altogether. This results in a lighter, healthier dish that’s still incredibly satisfying. This method is not only healthier but also simplifies the cooking process, making it an ideal choice for busy weeknights or impromptu gatherings.

Making Crustless Quiche in the Instant Pot: A Step-by-Step Guide
If you’re accustomed to enjoying quiche with a traditional Quiche Crust, you might be surprised to learn that you can completely skip that step and, in many ways, improve the dish. Removing the crust significantly reduces the carbohydrate content, making it a healthier choice. With the right technique, a crust isn’t even necessary to hold the quiche together. The key is achieving the perfect cooking time and allowing the quiche to cool completely in the pan, which allows it to solidify and maintain its shape. It’s a simple process that yields impressive results!
Should You Add a Crust to Your Instant Pot Quiche?
For this particular Instant Pot quiche recipe, I strongly recommend against adding a crust. The steaming process within the Instant Pot can lead to a soggy or mushy crust texture, which can detract from the overall enjoyment of the dish. It’s far better to omit the crust entirely and simply pour the egg mixture directly into your prepared pan. This ensures a consistent texture and allows the flavors of the filling to truly shine.
Can I Make This Quiche in My Ninja Foodi?
Absolutely! If you’re a fan of our Ninja Foodi recipes, you have a couple of options for making this quiche. You can follow the instructions below, using the pressure cooking lid to cook the quiche. Then, you can use the Ninja Foodi’s crisping function to brown the top for an extra touch of flavor and texture. Alternatively, you can follow our Air Fryer Quiche recipe from the start. Both methods yield delicious results, so choose the one that best suits your preferences and equipment.


The Essential Crustless Quiche Ingredients
The star of any quiche is undoubtedly the eggs. I personally prefer using organic, free-range eggs for their superior quality and richer yolk flavor. While they may be a bit more expensive, I believe the improved taste and nutritional benefits are well worth the investment. It’s just my personal preference, of course! Whether you’re making this quiche or our mini Pressure Cooker Egg Bites, high-quality eggs are my go-to. They contribute to the overall richness and texture of the dish, elevating it from ordinary to extraordinary. When choosing eggs, consider the source and opt for those that are ethically and sustainably produced. This not only benefits your health but also supports responsible farming practices.
When it comes to cheese, Swiss cheese is the classic choice for quiche, but it’s not a strict requirement. If you’re not a fan of Swiss cheese, don’t hesitate to experiment with other varieties. I personally love using pepper jack for its subtle heat and excellent melting properties. The key is to choose a cheese that melts well and complements the other ingredients in your quiche. Other excellent options include Gruyere, cheddar, and mozzarella. Each cheese will impart a unique flavor profile to your quiche, so have fun exploring different combinations.
A touch of milk is essential for creating a light and fluffy quiche. The milk helps to bind the ingredients together and adds moisture, preventing the quiche from becoming dry or rubbery. I prefer using whole milk or 2% milk for their richness and creaminess. However, you can also use non-dairy milk alternatives such as almond milk or soy milk, although they may slightly alter the flavor and texture of the final product. The amount of milk you use will also affect the consistency of the quiche, so adjust it according to your preferences.
For this mushroom quiche, we’re using sliced cremini mushrooms. You can certainly use button mushrooms, but they tend to become softer during cooking. Baby bella portabellos are a firmer alternative that holds its shape well. Diced bell peppers would also be a fantastic addition, or you could try our Cottage Cheese Quiche for a different twist. The possibilities are endless! Feel free to experiment with different vegetables and herbs to create your own signature quiche.
Choosing the Right Pan for Your Instant Pot Quiche
To ensure your quiche fits comfortably inside your Instant Pot, you’ll need to use a 6-inch round pan. A springform pan is ideal, as it allows you to easily release the finished quiche without damaging it. However, you can also use a solid-bottom pan if you prefer. Whichever pan you choose, be sure to generously coat the inside with non-stick cooking spray to prevent the quiche from sticking. A well-greased pan will make it much easier to remove the quiche intact and ensure a clean presentation. Alternatively, you can line the pan with parchment paper for even easier removal.

Instant Pot Quiche: Crustless & Delicious
Equipment
- 1 pressure cooker (6 quart or larger)
- 1 6 inch springform pan
- 1 trivet
Ingredients
- 6 large eggs
- 1/2 cup milk, whole
- 1/2 tsp salt
- 1/4 tsp pepper
- 2 tsp garlic, minced
- 4 oz mushrooms, sliced
- 1 cup Swiss cheese, or pepper jack
- 1 cup water, for inside pot to steam quiche
Instructions
- In a bowl whisk eggs, then add milk and seasonings. Stir in sliced mushrooms.
- Spray the inside of your 6″ round pan with non stick spray. Spread cheese on the bottom and spread out evenly. Pour egg mixture on the top.
- Put trivet on the bottom of the pressure cooker, pour water inside. Place filled pan on top of trivet.
- Pressure cook on high for 25 minutes with a 10 minute natural release. Release rest of steam and quickly remove lid flipping upside down so condensation doesn’t fall on to the top of the quiche.
- Allow to cool for 10-15 minutes in pan. Slide knife around outside to release. Release outside of springform pan if used and transfer to a plate to serve.
Nutrition
Note: Nutrition information is an estimate.
Additional Info