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A wooden platter with croissant sandwiches filled with sliced ham and melted cheese. A striped blue and white napkin is partially visible on the side.

Ham and Cheese Croissants with Honey Mustard

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This ham and cheese croissants recipe is perfect for a party or big family gathering. Start by whipping up a quick homemade honey mustard in just 2 minutes. Then, assemble the croissants on a large sheet pan, toast them in the oven, and enjoy warm, melty sandwiches topped with a honey-poppy seed glaze.
Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Servings 6 sandwiches
Calories 609
Author Gina Dickson

Ingredients

Honey Mustard Sauce

  • 1/2 cup mayonnaise
  • 1 tablespoon yellow mustard
  • 3 tablespoons honey
  • 1 teaspoon apple cider vinegar
  • 1/8 teaspoon onion powder
  • 1/8 teaspoon salt

Croissant Sandwiches

  • 6 croissants large
  • 12 ounces ham sliced
  • 6 slices Swiss cheese
  • 1 tablespoon honey for brushing after baking
  • 1/2 teaspoon poppy seeds

Instructions

Make the Honey Mustard Sauce

  • In a medium bowl, whisk together the mayonnaise, yellow mustard, honey, apple cider vinegar, onion powder, and salt until smooth.
    1/2 cup mayonnaise, 1 tablespoon yellow mustard, 3 tablespoons honey, 1 teaspoon apple cider vinegar, 1/8 teaspoon onion powder, 1/8 teaspoon salt
    A white mixing bowl filled with a smooth, yellow batter. A metal whisk rests inside the bowl, partially submerged in the batter. The bowl is placed on a light gray countertop.
  • Use immediately or refrigerate in a sealed container for up to one week.

Assemble the Croissants

  • Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
  • Slice each croissant in half horizontally with a bread knife.
    6 croissants
  • Spread about 1 tablespoon of the honey mustard on the bottom half of each croissant.
    Slices of croissants arranged on a baking tray lined with parchment paper. A spoon with a yellow substance, possibly butter or custard, rests among the slices, suggesting a preparation or baking process.
  • Layer 2 slices of ham and 1 slice of Swiss cheese on each croissant, then cover with the top half.
    12 ounces ham, 6 slices Swiss cheese
    Tray of four croissant sandwiches with ham and slices of Swiss cheese, placed on parchment paper. Some croissants are open, revealing the ingredients inside.

Bake

  • Place the croissants on the baking sheet and bake for 4–6 minutes, keeping an eye on them to prevent over-melting.

Add Toppings

  • Once out of the oven, lightly brush the top of each croissant with the reserved 1 tablespoon of honey and sprinkle with poppy seeds.
    1 tablespoon honey, 1/2 teaspoon poppy seeds
    Freshly baked croissant sandwiches filled with ham and cheese, placed on a parchment-lined baking tray. Two gray oven mitts are visible on either side of the tray.

Notes

Variation Ideas
  • Cheese: I used Swiss cheese for this recipe; however, thin-sliced cheddar cheese, gouda, or gruyere cheese would be delicious. If you want to add a little heat to your croissant sandwich, opt for pepper jack cheese slices. 
  • Meat: I have also used thinly sliced turkey or chicken to make these croissant sandwiches.
  • Mustards: Get creative with your homemade honey mustard. Instead of yellow mustard, try Dijon mustard, spicy brown mustard, or whole-grain mustard.

Nutrition

Serving: 1sandwich | Calories: 609kcal | Carbohydrates: 38g | Protein: 22g | Fat: 41g | Saturated Fat: 15g | Polyunsaturated Fat: 10g | Monounsaturated Fat: 12g | Trans Fat: 0.03g | Cholesterol: 97mg | Sodium: 1119mg | Potassium: 259mg | Fiber: 2g | Sugar: 18g | Vitamin A: 579IU | Vitamin C: 0.2mg | Calcium: 184mg | Iron: 2mg
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