Chef-tested recipe
Tunisian eggs set in a fiery tomato, pepper, harissa, and merguez sausage sauce
Ojja is a Tunisian skillet dish in which eggs are cooked in a lively tomato-and-pepper sauce. Merguez, the red, highly seasoned lamb or beef sausage of North Africa, turns it into ojja merguez and contributes garlic, chilli, and warm spices of its own. Harissa deepens the heat, while caraway and coriander give the sauce a distinctly Tunisian direction. The dish appears at breakfast, brunch, and informal meals, usually with bread for dipping. The sauce itself needs no sweetener or starch, so the low-carb adjustment is simple: choose merguez without cereal fillers or added sugar and serve the pan with cucumber, olives, and grilled courgette instead of bread. Simmer the tomatoes until concentrated before adding the eggs so the whites set cleanly rather than disappearing into a watery sauce.
Recipe at a glance
- Servings
- 6 servings
- Prep Time
- 20 mins
- Cook Time
- 35 mins
- Total Time
- 55 mins
- Cuisine
- Tunisian
- Course
- Breakfast and brunch
- Cooking Method
- Skillet simmering and egg poaching
- Difficulty
- Beginner
- Best Served With
- Grilled courgette Fresh cucumber Tunisian olives Fresh lemon Unsweetened mint tea
Before you begin
Ingredients & equipment
Gather what you need first, then cook through the method with confidence.
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Equipment
- Wide lidded skilletpaid link
- Instant-read thermometerpaid link
- Heatproof spatulapaid link
- Wooden spoonpaid link
- Small bowlpaid link
- Chef’s knifepaid link
- Cutting boardpaid link
- Digital kitchen scalepaid link
- Measuring jugpaid link
- Serving spoonpaid link
Ingredients
For the ojja
- Lamb or beef merguez sausages without added sugar or cereal filler: 900 g
- Large eggs: 12 (approximately 600 g without shells)
- Ripe tomatoes, peeled and chopped: 800 g
- Red bell peppers, diced: 300 g
- Yellow onion, finely diced: 200 g
- Garlic, finely minced: 30 g
- Tunisian harissa paste without added sugarpaid link: 40 g
- Tomato paste without added sugar: 35 g
- Extra-virgin olive oilpaid link: 45 ml
- Ground caraway: 4 g
- Ground coriander: 4 g
- Sweet paprika: 5 g
- Fine sea saltpaid link: 7 g
- Ground black pepper: 3 g
- Flat-leaf parsley, chopped: 35 g
For serving
- Courgettes, sliced lengthwise and grilled: 600 g
- Cucumber, sliced: 300 g
- Tunisian olives: 120 g
- Fresh lemon juice: 45 ml
Preparation Overview
Read the merguez ingredient label before cooking because some commercial sausages contain breadcrumbs, starch, or sugar. Peel the tomatoes for a smoother sauce and dice the peppers and onion evenly. Brown the sausage first so its seasoned fat flavours the vegetables. Use a broad lidded skillet with enough surface area for 12 eggs to sit in separate hollows.
Method
Brown the merguez. Heat the olive oil in a wide lidded skillet over medium-high heat. Add the sausages and brown for 6 to 8 minutes, turning often.
Portion the sausage. Transfer the merguez to a board, cut into bite-size lengths, and set aside. It will finish cooking in the sauce.
Soften the vegetables. Add the onion and red pepper to the skillet and cook for 6 minutes until soft. Stir in the garlic for 1 minute.
Toast the seasonings. Add the harissa, tomato paste, caraway, coriander, paprika, black pepper, and half the salt. Cook for 1 minute, stirring constantly.
Reduce the tomatoes. Add the chopped tomatoes and simmer uncovered for 12 to 15 minutes until thick and glossy.
Finish the sausage. Return the merguez to the sauce and simmer for 5 minutes, confirming that the centre reaches at least 71°C.
Add the eggs. Form 12 hollows in the sauce and crack one egg into each. Season the eggs with the remaining salt.
Cover and set. Reduce the heat to low, cover, and cook for 5 to 8 minutes until the whites are opaque and the yolks reach the preferred doneness.
Finish and serve. Scatter with parsley and add lemon juice. Serve hot with grilled courgette, cucumber, and olives.
Beginner Technique Notes
Harissa brands vary widely in heat and salt. Taste yours before adding the full amount.
Brown the sausage without fully cooking it; the second simmer safely finishes the centre without drying it out.
The tomato sauce must be thick enough to hold open hollows for the eggs.
Keep the lid closed while the whites set, but check after 5 minutes to protect soft yolks.
Use an instant-read thermometer on the merguez because sausage colour alone is not a reliable guide.
Tips and Variations
Ojja may be made without sausage for a lighter vegetable-and-egg version.
Fresh hot green pepper can be added with the bell pepper when a more assertive heat is wanted.
Some Tunisian preparations include seafood; peeled prawns can replace merguez but require only a brief final simmer.
Add water only if the reduced sauce begins catching on the pan, and use no more than 30 ml at a time.
Check both harissa and tomato paste for added sugar when carbohydrate control is important.
Serving Ideas
- Set the sizzling skillet at the centre of the table and give each diner two eggs, merguez, and plenty of sauce. Grilled courgette can be dragged through the sauce in place of bread. Cucumber and lemon provide a cool contrast to the harissa, while olives reinforce the Tunisian breakfast character.
Storage
Refrigerate leftovers within 2 hours for up to 3 days. Reheat the sauce and sausage in a covered skillet until 74°C; previously cooked eggs will become firm. For better make-ahead results, refrigerate the finished sauce and sausage without eggs, reheat within 3 days, then add fresh eggs. Freeze the egg-free sauce for up to 2 months.
Nutritional Value
Allergen Notes
Egg is the only inherent major allergen in the core recipe. Commercial merguez, harissa, tomato paste, and olives may contain sulphites, gluten, milk, or other undeclared additions, so check labels carefully. Use dedicated products when cross-contact matters.
Frequently Asked Questions
What is the difference between ojja and shakshuka?
They are related North African egg dishes, but Tunisian ojja is especially associated with harissa, caraway, and additions such as merguez.
Is merguez always made from lamb?
No. It may be lamb, beef, or a mixture, but pork is not traditional.
How can I reduce the heat?
Use less harissa and choose sweet paprika while keeping the caraway and coriander for character.
Can the sauce be made ahead?
Yes. Cook the sauce and sausage up to 3 days ahead, reheat thoroughly, and add fresh eggs just before serving.
Why did the egg whites stay translucent?
The sauce may have been too cool or the lid removed too often. Keep a gentle simmer and trap the steam.
