Prosciutto Gruyère Omelet with Blistered Tomatoes

Breakfast or brunch just got a whole lot tastier! This elevated ham, cheese, and tomato omelet uses silky prosciutto, rich Gruyère cheese, and sweet plum or cherry tomatoes.

It has a luxurious-sounding name, but it’s so simple to make. Make this rich and fluffy omelet for a weekend brunch, a hearty breakfast, or even a weeknight dinner that’s ready in under 20 minutes.

Prosciutto Gruyère Omelet on a white serving plate with sliced avocado and grilled ciabatta bread.

Ingredients

To make this omelet, you will need the following (for one omelet):

Ingredients for the omelet laid on a wooden board.
  • Eggs – 3 eggs
  • Heavy Cream – 1 tbsp heavy cream / double cream
  • Butter – 1 tbsp butter
  • Prosciutto – 1 oz / 30 g prosciutto (about 2 thin and wide slices)
  • Cheese – 1/4 cup grated Gruyère cheese, about 1 oz / 30 g
  • Tomatoes – 8 baby plum (or cherry) tomatoes
  • Salt – pinch of salt, to taste
  • Black Pepper – pinch of ground black pepper, to taste
  • Olive Oil – 1 tsp olive oil (for blistering the tomatoes)

Optional: Serve with 1/2 sliced avocado sprinkled with flaky sea salt and toasted or grilled bread.

How to Make It

Step 1. Blister the tomatoes.

Heat a small non-stick skillet / frying pan over medium-high heat and add 1 teaspoon olive oil. Make sure the tomatoes are dry before adding them so the oil doesn’t splash. Add the tomatoes and cook, stirring or shaking the pan occasionally, until the tomatoes are blistered, slightly charred in spots, and beginning to soften, about 4–6 minutes. If there’s any splashing, cover the skillet with a splatter guard or partially cover the skillet with a lid. Season with a pinch of salt and pepper. Then, transfer the tomatoes to a bowl and set aside.

Blistered tomatoes in a non-stick pan.

Step 2. Prep the eggs. Whisk the eggs and the cream with a pinch of salt until lightly foamy.

Whisked eggs in a metal bowl with the whisk in the bowl.

Step 3. Start the omelet.

Use a small non-stick skillet / frying pan (about 8 inches in diameter). You can wipe out the pan used for the tomatoes if it’s the right size, or use a separate one. Heat it over medium-high heat and add the butter.

Once the butter has melted, add the whisked eggs and gently stir, cooking the eggs like you’re making scrambled eggs until they’re half-cooked (still runny). Adjust the heat down if they’re cooking too quickly. Then spread them around the pan, trying to get an even layer with the bottom softly set while the top is still slightly runny. Turn the heat off once that’s done so that you have enough time to add the fillings without the bottom of the omelet cooking too much.

Half-cooked eggs spread in the skillet.

Step 4. Add the filling and finish the omelet.

Sprinkle the grated Gruyère all over the eggs. Add the blistered tomatoes to one half of the omelet. Then, tear the prosciutto into pieces, twirl the pieces slightly, and arrange them on the half with the tomatoes.

Turn the heat back on to low until the eggs are cooked enough to fold the half over the filling (the top is just barely set and the cheese has started to melt, about 1–2 minutes). To make it easier to fold, you can use two spatulas: slide one under each side of the empty half, then lift and fold it over the filling. Make sure the heat isn’t too high so that the omelet doesn’t brown too much on the bottom side.

Blistered tomatoes, prosciutto and gruyere cheese on top of the eggs in the skillet.
Folded omelet over the fillings in the non-stick skillet.

Step 5. Serve. Transfer the omelet to a plate gently. You can help the omelet stay intact by sliding it out of the skillet with a spatula. Serve while warm.

Omelet on a serving plate with avocado and toasted ciabatta.

Personally, I think the perfect pairing for almost any omelet is a sliced half avocado (with Maldon flaky sea salt sprinkled on top) and grilled or toasted bread.

More Omelets to Try

If you love omelets, here are four more of my favorite omelets that you can pick from:

Recipe Card

Omelet on a serving plate with avocado and toasted ciabatta.

Prosciutto Gruyère Omelet with Blistered Tomatoes

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Servings: 1 omelet
Calories: 654kcal

Ingredients

  • 3 eggs
  • 1 tbsp heavy cream / double cream
  • 1 tbsp butter
  • 1 oz prosciutto about 2 thin and wide slices per oz
  • 1/4 cup grated Gruyère cheese 1/4 cup is about 1 oz/30g
  • 8 baby plum (or cherry) tomatoes
  • pinch of salt to taste
  • pinch of ground black pepper to taste
  • 1 tsp olive oil for blistering the tomatoes

Instructions

  • Blister the tomatoes. Heat a small non-stick skillet / frying pan over medium-high heat and add 1 teaspoon olive oil. Make sure the tomatoes are dry before adding them so the oil doesn't splash. Add the tomatoes and cook, stirring or shaking the pan occasionally, until the tomatoes are blistered, slightly charred in spots, and beginning to soften, about 4–6 minutes. If there's any splashing, cover the skillet with a splatter guard or partially cover the skillet with a lid. Season with a pinch of salt and pepper. Then, transfer the tomatoes to a bowl and set aside.
  • Prep the eggs. Whisk the eggs and the cream with a pinch of salt until lightly foamy.
  • Start the omelet. Use a small non-stick skillet / frying pan (about 8 inches in diameter). You can wipe out the pan used for the tomatoes if it’s the right size, or use a separate one. Heat it over medium-high heat and add the butter. Once the butter has melted, add the whisked eggs and gently stir, cooking the eggs like you’re making scrambled eggs until they’re half-cooked (still runny). Adjust the heat down if they’re cooking too quickly. Then spread them around the pan, trying to get an even layer with the bottom softly set while the top is still slightly runny. Turn the heat off once that’s done so that you have enough time to add the fillings without the bottom of the omelet cooking too much.
  • Add the filling and finish the omelet. Sprinkle the grated Gruyère all over the eggs. Add the blistered tomatoes to one half of the omelet. Then, tear the prosciutto into pieces, twirl the pieces slightly, and arrange them on the half with the tomatoes. Turn the heat back on to low until the eggs are cooked enough to fold the half over the filling (the top is just barely set and the cheese has started to melt, about 1–2 minutes). To make it easier to fold, you can use two spatulas: slide one under each side of the empty half, then lift and fold it over the filling. Make sure the heat isn’t too high so that the omelet doesn’t brown too much on the bottom side.
  • Serve. Transfer the omelet to a plate gently. You can help the omelet stay intact by sliding it out of the skillet with a spatula. Serve while warm.

Notes

Optional: Serve with sliced avocado sprinkled with flaky sea salt and toasted or grilled bread.

Nutrition

Calories: 654kcal | Carbohydrates: 7g | Protein: 32g | Fat: 55g | Saturated Fat: 25g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 20g | Trans Fat: 1g | Cholesterol: 593mg | Sodium: 720mg | Potassium: 579mg | Fiber: 1g | Sugar: 4g | Vitamin A: 2272IU | Vitamin C: 31mg | Calcium: 437mg | Iron: 3mg

Nutrition information is calculated automatically and is an estimate only. See the full nutrition disclosure below.

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close up of prosciutto, cheese, and blistered tomatoes omelet served on a white plate with toasted ciabatta and sliced avocado

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