Crispy Ham and Swiss Croissant Sandwiches Tips, FAQ & printable recipe

Tips for success

To achieve an extra level of flavor, spread a very thin layer of high-quality Dijon mustard on the inside of the croissant before adding the ham. This adds a subtle acidity that cuts through the richness of the butter and cheese, creating a more balanced and refined flavor profile. The mustard also helps to keep the ham in place during the baking process.

If you prefer a more intense savory profile, consider adding a very light sprinkle of sea salt or cracked black pepper to the top of the croissant before baking.

This enhances the natural flavors of the pastry and cheese, giving the finished sandwich a professional, bakery-style finish. Be careful not to add too much, as the ham and cheese already provide a significant amount of saltiness to the dish.

Variations

• Turkey and Havarti: Substitute the ham with thinly sliced roasted turkey breast and replace the Swiss cheese with creamy Havarti. This variation is milder and pairs exceptionally well with a touch of cranberry jam or honey mustard.
• Savory Herb Croissant: Sprinkle a pinch of dried thyme or rosemary over the cheese before closing the croissant. This adds an aromatic dimension that elevates the overall flavor profile of the sandwich significantly.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 3 days. Ensure they are completely cool before sealing to prevent condensation.

Reheat

To reheat, place the sandwiches in an oven preheated to 350°F (175°C) for 5 to 7 minutes until the exterior is crisp again and the cheese is warm.

If you have leftovers, allow them to cool completely on a wire rack to prevent moisture buildup, which can turn the crust soft. Once cool, store the sandwiches in an airtight container at room temperature for up to one day, or in the refrigerator for up to three days.

For the best quality, consume them as soon as possible, as the croissant texture is best when fresh and crisp, and it loses its quality rapidly over time.

You can assemble the sandwiches up to two hours before baking, keeping them covered in the refrigerator. Do not bake them until just before they are needed. This prevents the pastry from becoming soft or soggy from the moisture in the ham and cheese.

Simply remove them from the fridge ten minutes before baking to ensure they heat through evenly and the cheese melts perfectly during the short time in the oven.

Serving ideas

These sandwiches are best served warm, ideally within five minutes of coming out of the oven. Pair them with a simple side, such as a handful of fresh arugula dressed with a light vinaigrette, to provide a refreshing contrast to the warm, buttery, and cheesy elements of the sandwich. The acidity of the vinaigrette helps to cleanse the palate between bites of the rich, buttery pastry.

For a more substantial meal, serve these alongside a bowl of tomato basil soup. The combination of the crispy, cheesy croissant and the acidic, smooth soup is a classic pairing that highlights the best qualities of both dishes, making for a satisfying and comforting lunch or light dinner.

The soup also provides a perfect dipping sauce for the crispy edges of the croissant, adding another layer of texture and flavor.

Frequently asked questions

Recipe card

Crispy Ham and Swiss Croissant Sandwiches

Prep 5 minCook 10 minTotal 15 minServes 4

Ingredients

• 4 large croissants, sliced horizontally
• 8 slices deli ham, thinly folded
• 4 slices Swiss cheese

Instructions

1. Preheat the oven to 375°F (190°C). Slice each croissant in half horizontally. Place the bottom halves on a baking sheet. Layer two slices of folded ham onto each croissant, followed by one slice of Swiss cheese. Place the top halves of the croissants on the cheese.
2. Place the baking sheet in the preheated oven and bake for 8 to 10 minutes until the croissants are golden brown and the cheese is fully melted and bubbling. Monitor the oven closely to ensure the delicate pastry tips do not brown too quickly.
3. Remove the baking sheet from the oven. Allow the sandwiches to sit for one minute so the cheese sets slightly. Using a spatula, carefully transfer each sandwich to a plate and serve immediately while the cheese is still hot and stretchy.

Contains: gluten, eggs, milk

Estimated nutrition per serving

Calories

410

Protein

16 g

Carbohydrates

26 g

Fat

25 g

Fiber

1 g

Sugar

3 g

Sodium

720 mg

Automatic estimate from the ingredient list, not laboratory-verified.