Roasted Red Pepper & Spinach Baked Frittata

A fluffy, perfectly baked frittata loaded with sweet roasted red peppers, tender spinach, and creamy feta cheese. Learn the simple science to avoid a watery bake and achieve a velvety, custard-like texture every single time.

Why This Recipe Works:

• Moisture Control: Squeezing the spinach prevents the water from breaking the egg emulsion during baking.
• Dairy Fat Buffer: Heavy cream coats the egg proteins, preventing them from over-coagulating and turning rubbery.
• Residual Heat Baking: Pulling the frittata when it still has a slight jiggle ensures it carries over to a perfect, velvety set.

I still remember the rainy Tuesday morning I tried to impress my mother-in-law with a gorgeous breakfast. I pulled my skillet out of the oven, proud of the golden, puffed dome. Then, it collapsed into a sad, weeping puddle of grey water the second her fork touched it.

It was mortifying.

The culprit behind that watery disaster was the basic physics of vegetable moisture. Raw spinach and jarred peppers release their cellular water as they cook, completely diluting the delicate egg proteins.

To fix this, we have to aggressively dry our mix-ins before they ever touch an egg. Squeeze your cooked spinach in a clean kitchen towel until your knuckles turn white, and dry those roasted peppers with paper towels as if your life depends on it. This simple step ensures a dense, creamy texture that holds its shape beautifully, much like a classic Spinach Frittata with Feta or a hearty Cottage Cheese Egg Bake.

Trust me, this extra step changes everything.

Let's look at why this technique works so well on a molecular level.

Roasted Red Pepper & Spinach Baked Frittata

• Publisher Storied Skillet
• Cuisine American
• Category Breakfast, Brunch
• Prep Time 15 minutes
• Cook Time 25 minutes
• Servings 6
• Calories 180 calories
• Rating 4.8 938
• Tags frittata, baked eggs, breakfast, healthy brunch, spinach frittata

Ingredients

• 8 large eggs
• 1/4 cup heavy cream
• 1/2 tsp Diamond Crystal kosher salt
• 1/4 tsp freshly cracked black pepper
• 1 cup packed fresh baby spinach, chopped and sautéed
• 1/2 cup jarred roasted red peppers, thoroughly patted dry and diced
• 1/2 cup crumbled feta cheese
• 1 tbsp olive oil

Directions

1. Preheat your oven to 375°F (190°C). Grease a 9-inch pie dish or cast-iron skillet with olive oil.
2. In a large bowl, crack the eggs and add the heavy cream, Diamond Crystal kosher salt, and black pepper. Whisk vigorously until the mixture is completely homogenous and slightly frothy.
3. Squeeze the sautéed spinach in a clean kitchen towel until absolutely no liquid remains. Pat the diced roasted red peppers dry with paper towels.
4. Stir the dried spinach, red peppers, and half of the crumbled feta directly into the egg mixture.
5. Pour the egg mixture into the prepared baking dish. Sprinkle the remaining feta cheese evenly over the top.
6. Bake for 20 to 25 minutes, or until the edges are golden and puffed, and the center has just a slight, gentle jiggle. Let it rest for 5 minutes before slicing.
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Notes

• Always use Diamond Crystal kosher salt; if you only have standard table salt, cut the measurement in half (use 1/4 teaspoon instead of 1/2 teaspoon) to avoid an overly salty bite.
• Squeezing the spinach is crucial because water-soluble compounds in greens will separate during baking, disrupting the protein matrix of the eggs and leaving you with a spongy, wet texture.
• Generic store-brand frozen spinach failed our tests because it is chopped too finely, making it impossible to squeeze dry without losing half of it through the towel.
• Keep a close eye on the oven during the last 5 minutes of baking; over-baked eggs will curdle and release moisture, so pull the dish out while the center still has a slight, custard-like wobble.
• After a day in the fridge, the frittata will naturally firm up and lose some of its initial fluffiness, but it reheats beautifully if warmed gently in a toaster oven rather than a microwave.

Serving Suggestions

Serve this vibrant dish warm or at room temperature to let the rich flavors of the feta and roasted peppers shine. It makes a stunning centerpiece for any weekend brunch table.

• Pair it with a crisp, refreshing watermelon feta salad to balance the richness of the eggs.
• Serve alongside warm, toasted sourdough bread lightly drizzled with olive oil.
• Top each slice with a dollop of sour cream or a spoonful of fresh basil pesto.
• Accompany with crispy roasted potatoes or a simple green salad tossed in a lemon vinaigrette.

Storage and Reheating

Leftovers keep surprisingly well.

Store any remaining slices in an airtight container in the refrigerator for up to four days. Bear with me here: do not just throw it on a plate uncovered, or the dry fridge air will turn the edges into rubber.

To reheat, avoid the microwave if you can. It heats the water molecules too rapidly, which essentially cooks the eggs a second time and makes them tough.

Instead, place your slice on a baking sheet and warm it in a 325°F oven for about 10 minutes. This gentle, indirect heat revives the creamy texture of the feta and warms the eggs through without drying them out. It will taste almost as fresh as the day you baked it.

It is absolutely worth the wait.

Ingredient Substitutes

If you do not have these exact ingredients on hand, do not panic. This recipe is incredibly forgiving and easily adaptable to what is in your crisper drawer.

1. Spinach: Swap for chopped Swiss chard or kale, but make sure to sauté and squeeze them dry just like the spinach.
2. Feta Cheese: Goat cheese or sharp white cheddar make excellent alternatives that melt beautifully.
3. Heavy Cream: You can use whole milk or sour cream, though the final texture will be slightly less custard-like.
4. Roasted Red Peppers: Sautéed fresh bell peppers or sun-dried tomatoes packed in oil (drained well) work wonderfully.

I hope this simple bake brings a little bit of cozy, stress-free joy to your morning table. If you are looking for more easy egg inspiration, you might also love trying our oven baked eggs or whipping up a Gourmet Omelette with Bacon and Ham for your next lazy Sunday. Let me know how yours turns out!