Keto Salmon Saltimbocca with Sage and Prosciutto
This Italian-inspired recipe uses frozen salmon fillet that is thawed before pan-frying, fresh salmon works just as well. Topped with a fresh sage leaf and paper-thin prosciutto and pan-fried in butter, the result is an elegant saltimbocca with just 1 g of net carbs per serving.
Key facts at a glance
- Prep and cook time: approx. 20 minutes (plus thawing time for frozen salmon).
- Approx. 1 g net carbs and 40 g fat per serving.
- Ingredients: salmon, sage, prosciutto, butter, lemon.
- Frozen salmon works straight from the freezer, fresh salmon is just as good.
- Festive, Italian-inspired dish, perfect for special occasions.
Ingredients
1 salmon saltimbocca fillet (200 g) as a main course
| Amount | Ingredient | Note | ||
|---|---|---|---|---|
| Frozen salmon fillet (or fresh salmon) | thawed | |||
| thawed | ||||
| Prosciutto | paper-thin, 2 to 3 slices | |||
| paper-thin, 2 to 3 slices | ||||
| Sage | fresh leaves | |||
| fresh leaves | ||||
| Butter | - | |||
| Lemon | juice | |||
| juice | ||||
| Salt | to taste | |||
| to taste | ||||
| Pepper | to taste | |||
| to taste | ||||
Frozen or fresh salmon?
For saltimbocca, thawed salmon is best because the fillet has to lie flat so the sage and prosciutto stick properly. Place frozen salmon in a bowl in the fridge the night before, after about 12 hours it is thawed. Pat it thoroughly dry before topping with sage and ham. Fresh salmon is equally suitable, same cooking time. When buying frozen salmon, look for the MSC or ASC label and choose fillets without ice glaze. For even cooking, fillets of equal thickness (about 2.5 cm) are ideal.
Source: Bundeszentrum für Ernährung – How to thaw fish properly
Preparation
Pat the salmon dry, season with salt and pepper. Top with a sage leaf, cover with paper-thin prosciutto and press down firmly. Pan-fry in butter, prosciutto side first, then turn. Finish with a squeeze of lemon juice.
Why salmon saltimbocca fits a keto diet
Prosciutto is an excellent keto food: 0 g carbs, approx. 8 g fat and 25 g protein per 100 g. 20 g per serving (about 2 to 3 paper-thin slices) brings flavor and salt without any carb load. Butter (25 g) delivers 20 g of fat. With 200 g of salmon (40 g protein, 0 g carbs), the dish stays practically carb-free, ideal for strict ketogenic phases.
Source: FDDB – Prosciutto
What to look for in prosciutto
Authentic Prosciutto di Parma DOP contains only pork leg and salt, no added sugar, no preservatives. Cheaper ham imitations often contain dextrose or phosphates. Look for the DOP seal.
How do I serve and vary the saltimbocca?
Plate the salmon saltimbocca with the prosciutto side up and drizzle with the pan butter. From my own experience, sautéed green beans in garlic butter or a simple arugula and parmesan salad pair beautifully as a side.
White wine variation
Classically, saltimbocca is deglazed with a splash of dry white wine. On keto: 1 tbsp of dry white wine has approx. 0.5 g of carbs and is well within range. Alternative: a splash of chicken broth.
Which tips help with salmon saltimbocca?
- Pat the salmon fillet dry and salt lightly, the prosciutto adds extra salt.
- Place the sage leaf in the center, otherwise the flavor becomes too concentrated.
- Use paper-thin prosciutto (about 1 mm) so it turns crispy.
- Pan-fry the salmon prosciutto side down first, this makes the ham crisp.
- Cook in butter, not oil, butter supports the Italian flavor profile.
Nutrition values
| Nutrient | Per 100 g | Per serving | Keto context |
|---|---|---|---|
| Calories | approx. 240 kcal | approx. 555 kcal | High-quality main course for special occasions. |
| High-quality main course for special occasions. | |||
| Fat | approx. 17 g | approx. 40 g | Approx. 65% of calories from fat, butter plus salmon plus prosciutto. |
| Approx. 65% of calories from fat, butter plus salmon plus prosciutto. | |||
| Net carbs | approx. 0.4 g | approx. 1 g | Practically carb-free, only trace amounts from lemon. |
| Practically carb-free, only trace amounts from lemon. | |||
| Sugar | approx. 0.2 g | approx. 0.5 g | Very little natural sugar. |
| Very little natural sugar. | |||
| Protein | approx. 19 g | approx. 44 g | Salmon plus prosciutto. |
| Salmon plus prosciutto. | |||
| Salt | approx. 0.7 g | approx. 1.7 g | From prosciutto and added salt. |
| From prosciutto and added salt. | |||
Note: Nutrition values are estimated averages per 100 g and per serving and may vary depending on ingredients, brands, portion size, and preparation. They do not replace individual nutrition or medical advice.
FAQ
Can I use fresh salmon instead?
Yes. Fresh salmon works just as well, same cooking time. Pat it dry, season, top with sage and prosciutto, and pan-fry in butter.
Which ham works best?
Prosciutto di Parma DOP or San Daniele DOP. Both are made without added sugar. Spanish Serrano ham is a good alternative. Important: have it sliced paper-thin so it turns crispy when pan-fried.
Can I skip the sage?
Classically, sage is essential to the saltimbocca character. Alternatives are fresh thyme or rosemary, though the aroma becomes less distinctly Italian.
Can I prepare the dish in advance?
The salmon fillets topped with sage and prosciutto can be prepared up to 4 hours ahead and kept in the fridge. Only pan-fry shortly before serving.