Mushroom, Onion, and Bell Pepper Frittata

I whipped up (literally) a delicious meatless dinner of veggies and eggs. But then I wondered what to call it. Is it a crustless quiche? Or a frittata? Hmmm…Either way, it was fantastic!

What’s the difference between a quiche and a frittata? The biggest difference is that the quiche has a crust and cream, while a frittata does not.

  • A quiche has a crust, a custard base of eggs and cream, and contains meat and vegetables. A quiche is baked in the oven.
  • A frittata is made with eggs, meat, and vegetables combined. A frittata is started on the stove (for the meat and veggies) and, after the eggs are added, it’s finished in the oven.

Thanks to my handy Vitamix Aer container, a fancy quiche or frittata has become a standard weeknight meatless meal in our home. 

This week I had onions, mushrooms, and bell peppers sauteing in a cast iron skillet. Meanwhile, I cracked half a dozen eggs into the Aer container and frothed them for a minute. (Don’t froth for too long, or the blender will heat up and begin to cook the eggs!)

Once the veggies were softened, I spread them evenly along the bottom of the skillet. Then I poured the frothed eggs on top. Lastly, I sprinkled cheddar cheese on top.

The frittata baked in the oven for 10-15 minutes, and came out with a cheesy top and wonderful aroma!

Mushroom, Onion, and Bell Pepper Frittata

Mushroom, Onion, and Bell Pepper Frittata

A meatless meal that’s ready in less than 30 minutes! Use the Vitamix Aer Disc container to make the eggs extra fluffy.

Prep Time: 5 minutes
Cook Time: 20 minutes
Total Time: 25 minutes


  • 1-2 Tbsp olive oil
  • 1 onion, diced
  • 2-3 bell peppers, diced
  • 16oz mushrooms, diced
  • Seasoning of your choice
  • ½ cup shredded cheddar cheese
  • 6 eggs


  1. Preheat the oven to 350°F. Warm a cast iron skillet (or any skillet that is also oven-safe) to medium-high heat with 1-2 Tbsp olive oil.
  2. Dice the vegetables. Add to the skillet and cook until softened, about 5-8 minutes.
  3. Meanwhile, crack the eggs into the Vitamix Aer Disc Container. Run on high for 45 seconds until the eggs are frothed.
  4. Once the vegetables are softened, spread them evenly in the pan. If desired, sprinkle the seasoning of your choice on top.
  5. Then pour the frothed eggs on top of the vegetables. 
  6. Then sprinkle the cheese on top, and bake in the oven for 10-15 minutes.


Feel free to add other veggies or ground meat to this recipe!

For a thicker frittata, use 8 or 9 eggs.

Nutrition Information:

Yield: 8 Serving Size: 1
Amount Per Serving: Calories: 145Total Fat: 10gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 6gCholesterol: 146mgSodium: 149mgCarbohydrates: 8gFiber: 2gSugar: 3gProtein: 8g

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