# Air Fryer Frittata Cups > Mini frittatas cooked in an air fryer for fast, portion-controlled breakfasts that are perfect for meal prep. They deliver savory protein and customizable mix-ins so you can batch-make a week's worth of grab-and-go mornings. Canonical URL: https://www.topshelf.recipes/recipes/air-fryer-frittata-cups ## Author Jake Woods https://www.topshelf.recipes/chef/jake-woods Published: June 22, 2026 Last Updated: September 3, 2026 ## About This Recipe These air fryer frittata cups are the kind of weekday breakfast that feels thoughtful but barely interrupts your morning rhythm: a tender, custardy egg base studded with sweet red pepper, wilted spinach, smoky bacon, and pockets of sharp cheddar, finished with a bronzed top from the air fryer. The machine’s circulating heat gives each cup a lightly crisp edge while keeping the center creamy, so you get a satisfying contrast in every bite without babysitting a skillet. Making them in individual portions also means even cooking and flawless meal prep—six perfectly portioned cups that reheat and travel well. What makes this version work is attention to temperature and moisture management: cooking the fillings quickly first concentrates their flavor and prevents watery frittatas, while a gentle 320°F keeps the eggs silkier than a blast of high heat. Using half the cheese folded into the eggs and sprinkling the rest on top gives you melty interior richness with a golden finish. They’re ideal for anyone who wants protein-forward breakfasts, packed lunches, or an easy make-ahead option for a household with varied schedules. ## Recipe Information - Prep Time: 15 minutes - Cook Time: 12 minutes - Total Time: 27 minutes - Servings: 4 - Difficulty: Easy - Category: Air Fryer ## Ingredients ### Whisk egg base - 6 large Large eggs - 1/4 cup Whole milk - 1/2 teaspoon Kosher salt - 1/4 teaspoon Freshly ground black pepper - 1/2 cup Sharp cheddar, shredded ### Prep and soften fillings - 1 tablespoon Olive oil - 1/2 cup Red bell pepper, finely diced - 1 cup Baby spinach, packed - 4 slices Cooked bacon, chopped (optional) ## Instructions ### 1. Prep and soften fillings Preheat the air fryer to 320°F (160°C). In a small skillet over medium heat, warm the olive oil, then sauté the diced red bell pepper until softened, about 3 minutes; add baby spinach and cook just until wilted. If using pre-cooked bacon, warm and chop it now; if you prefer, crisp raw bacon separately before chopping. Remove fillings from heat and let them cool slightly. ### 2. Whisk egg base In a medium bowl, whisk together the large eggs, whole milk, kosher salt, and black pepper until frothy and evenly combined. Stir in about half of the shredded cheddar and fold in the sautéed pepper, wilted spinach, and chopped bacon so the mix-ins are evenly distributed. Taste and adjust seasoning if needed. ### 3. Portion into cups Lightly grease six silicone muffin cups or spray a 6-cup metal muffin tin with nonstick spray. Divide the egg mixture evenly among the cups, filling each about 3/4 full, then sprinkle the remaining cheddar on top of each cup for a golden finish. ### 4. Air fry until set Arrange the filled cups in a single layer in the air fryer basket (work in batches if needed). Cook at 320°F (160°C) for 10–12 minutes, checking for doneness; the frittata cups are ready when the centers are set and a toothpick comes out clean. Rotate the basket halfway through cooking for even browning if your air fryer has hot spots. ### 5. Cool and store or serve Let the frittata cups rest for 2 minutes, then carefully remove from the cups and serve warm. For meal prep, cool completely, then store in an airtight container in the refrigerator for up to 4 days; reheat one cup in the microwave for 30–45 seconds or in the air fryer at 300°F (150°C) for 3–4 minutes. ## Nutrition Estimated nutrition per serving (about ½ cup): - Calories: 157 kcal - Protein: 12.8 g - Carbohydrates: 3.8 g - Fat: 10 g - Saturated Fat: 4.4 g - Trans Fat: 0.2 g - Fiber: 0.2 g - Sugar: 0.2 g - Added Sugars: 0 g - Cholesterol: 22 mg - Sodium: 256 mg - Potassium: 65 mg - Calcium: 142 mg - Iron: 0.1 mg - Vitamin D: 0.1 mcg ## Tips ### Pre-cook the fillings Sauté peppers and wilt spinach first to evaporate excess moisture so the cups set properly and don’t become soggy. ### Use room-temperature eggs Let eggs sit 10–15 minutes before whisking so they emulsify more smoothly with the milk and cook more evenly. ### Don’t overfill cups Fill each cup about three-quarters full to allow a little rise; overfilling leads to spillover and uneven cooking. ### Rotate the basket Turn or rotate the air fryer basket halfway through cooking if your unit has hot spots to ensure even browning on all cups. ### Check doneness with a toothpick Insert a toothpick into the center—if it comes out clean and the top springs back, they’re done rather than relying on surface color alone. ## Variations and Substitutions ### Vegetarian mushroom option Swap bacon for sautéed cremini mushrooms and a pinch of thyme for an earthy, umami-packed version. ### Mediterranean twist Use crumbled feta, sun-dried tomatoes, and chopped kalamata olives in place of cheddar and bacon for briny, savory cups. ### Dairy-free / lighter Substitute unsweetened oat or almond milk and omit the cheese, or use a dairy-free shredded cheese; add nutritional yeast for a cheesy flavor. ### Mexican-inspired cups Replace cheddar with pepper jack or Monterey Jack, fold in cooked chorizo or black beans, and finish with cilantro and a squeeze of lime. ## Notes These frittata cups are great for busy weekday mornings or a make-ahead brunch. Swap in your favorite vegetables, cheeses, or cooked proteins to keep them fresh and interesting all week. ### Storage and Make-Ahead Cool the frittata cups completely before storing in an airtight container in the refrigerator for up to 4 days. For longer storage, wrap individual cups tightly and freeze up to 2 months; thaw overnight in the fridge before reheating. Reheat from chilled in the air fryer at 300°F for 3–4 minutes to restore crisp edges, or microwave for 30–45 seconds for a quicker option. ### Serving Suggestions Serve warm with sliced avocado, a handful of baby arugula dressed in lemon, and pickled red onions for brightness; they also pair well with fresh fruit and a cup of strong coffee or a green smoothie. For a brunch spread, offer hot sauce, chopped herbs (chives or parsley), and crusty toast or a grain salad on the side to round out the meal. ## Frequently Asked Questions ### Can I bake these in the oven instead of the air fryer? Yes—use a 6-cup muffin tin and bake at 325°F for 16–20 minutes, or until centers are set. Oven timing varies by tin material, so start checking at 14 minutes. ### What if my fillings release too much water? Squeeze wilted spinach in a towel and thoroughly drain any high-moisture vegetables after cooking; this prevents the eggs from becoming watery and helps them set properly. ### Can I make these with egg whites only? You can, but expect a drier, less custardy texture; add a couple tablespoons of milk or unsweetened dairy-free milk per cup and a pinch of cream cheese or cottage cheese if you want extra silkiness. ### Do I need silicone cups or can I use metal tins? Either works—silicone makes removal easier, but a well-greased metal muffin tin will brown the bottoms a bit more. Spray or oil thoroughly to prevent sticking. ### How do I avoid overcooked, rubbery eggs? Cook at a moderate temperature (320°F as written), don’t over-whisk to incorporate too much air, and remove the cups as soon as the centers are set; carryover heat will finish them. ### Can I double the recipe and make a big batch? Yes, you can double the ingredients and work in batches in the air fryer, or use multiple muffin tins in a conventional oven for larger quantities, keeping the same fill level and cook temperature guidelines. ## Related Recipes and Guides - [Air Fryer Mini Frittatas with Ham, Spinach, and Feta](https://www.topshelf.recipes/recipes/air-fryer-mini-frittatas-ham-spinach-feta) - [Air Fryer Miso-Glazed Salmon Bites with Sesame Rice](https://www.topshelf.recipes/recipes/air-fryer-miso-glazed-salmon-bites-with-sesame-rice) - [How to Make Frozen French Fries Extra Crispy in the Air Fryer](https://www.topshelf.recipes/recipes/extra-crispy-frozen-fries-air-fryer) - [Corn Ribs Cajun Lime Crema](https://www.topshelf.recipes/recipes/corn-ribs-cajun-lime-crema) - [Keto Chicken Nuggets](https://www.topshelf.recipes/recipes/keto-chicken-nuggets-air-fryer) - [Air Fryer Banana Muffins](https://www.topshelf.recipes/recipes/air-fryer-banana-muffins) - [Air Fryer Trends 2026: 15 Viral Recipes — Birria Tacos, Honey Toast & Beyond](https://www.topshelf.recipes/articles/air-fryer-trends-2026-15-viral-recipes-birria-honey-toast) - [Gluten-Free Weeknight Grilling Plan](https://www.topshelf.recipes/articles/gluten-free-weeknight-grilling-plan) - [Low-Fat Grill Swaps for Big Flavor](https://www.topshelf.recipes/articles/low-fat-grill-swaps-big-flavor)