Use-It-Up Frittata
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 28 Jan 2026
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This versatile use-it-up frittata is the ultimate solutions-based recipe for a sustainable kitchen. Designed to transform leftover cooked vegetables, grains, and herbs into a protein-rich meal, it captures a wonderful depth of flavour and varied texture. Whether you have roasted roots, steamed greens, or a handful of peas in the fridge, this vegetarian dish provides a nutritious and satisfying base that works beautifully for breakfast, lunch, or a light evening meal.
Packed with eggs and your choice of seasonal produce, this healthy recipe is exceptionally adaptable and helps to reduce household food waste. It can be prepared up to a day in advance, making it an excellent option for midweek meal prep or a simple weekend brunch. Serve it warm with a crisp green salad or enjoy it at room temperature for a delicious picnic-style treat.
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Ingredients for Use-It-Up Frittata
6 large eggs, beaten to blend
350ml (1/2-inch pieces) cooked vegetables
120ml cooked grains or shelled peas or beans
30g coarsely grated or crumbled cheese
1 tablespoon finely chopped tender herbs
Kosher salt, freshly ground pepper
2 tablespoons olive oil, divided
How to make Use-It-Up Frittata
Back to contentsFold eggs, vegetables, grains, cheese, and herbs in a medium bowl with a rubber spatula; season with salt and pepper. Heat 1 tablespoon oil in a medium nonstick skillet over medium. Cook egg mixture until edges are set, about 30 seconds. Use spatula to agitate eggs by scraping bottom of skillet in a small circular motion and bringing edges toward centre of pan to form large curds, then let mixture sit undisturbed until edges are set again, about 1 minute. Reduce heat to low and continue cooking, tilting skillet and lifting edges up with spatula to allow uncooked egg to flow underneath and around sides, until surface is wet but centre is mostly set when you shake the pan, about 5 minutes.
Place a large plate over skillet and invert frittata onto plate. Place skillet back over medium heat and add remaining 1 tablespoon oil. Slide frittata back into skillet; reduce heat to low. Cook until set, about 3 minutes. Let frittata cool in skillet 5 minutes. Invert frittata onto a cutting board; season with salt and pepper. Cut into wedges.
Frittata can be made 1 day ahead. Cover and chill. Bring to room temperature before serving.
Disclaimer
While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.
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UK recipe editors
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UK recipe editors
Article history
The information on this page is peer reviewed by qualified clinicians.
28 Jan 2026 | Originally published
Authored by:
UK recipe editorsPeer reviewed by
UK recipe editors

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