Crispy Cheese Puff Pastry Bake
Swiss chäschüechli reimagined as a 15-minute sheet-pan bake: puff pastry squares topped with melted Gruyère, sharp mustard, and a crack of pepper. Golden, gooey, and dangerously easy.
- Total time
- 15 min
- Servings
- 4
- Calories
- 385
- Protein
- 12g

Ingredients
6 items — tap to check off
Missing one? Custrd suggests a swap that works.
Open the appInstructions
Step 1
Preheat oven to 400°F. Line a sheet pan with parchment paper.
Step 2
Cut thawed pastry into 16 squares. Arrange on the sheet pan, spacing 1 inch apart.
Step 3
Brush each square lightly with egg wash. Top with 1.5 tbsp Gruyère and 0.5 tsp mustard per square.
Step 4
Sprinkle with black pepper and salt. Bake 10-12 minutes until pastry is puffed and golden.
Step 5
Cool 2 minutes on the pan. Serve hot, cheese still melting.
Tools you’ll need
- sheet pan
- parchment paper
- knife
- small bowl
- pastry brush
Cook smarter
Get matched recipes for what’s in your fridge
Custrd is an iPhone and Android app that finds real recipes from the ingredients you already have. No more grocery-list aspirations. Try it free for 7 days.



