Asparagus and Gruyère Tart with Dijon Mustard Crust
A flaky tart crust brushed with Dijon mustard, layered with tender asparagus spears and nutty Gruyère cheese for a savory and sophisticated appetizer. This French-inspired quick recipe, ready in about 40 minutes, layers puff pastry sheet, Dijon mustard, Gruyère cheese into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 320 calories and feeds 6, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 1 sheet (9x12 inches), thawed puff pastry sheet
- 2 tbsp Dijon mustard
- 1 cup shredded Gruyère cheese
- 1 lb, woody ends trimmed asparagus spears
- 1 tbsp olive oil
- 1 tsp salt
- 1/2 tsp black pepper
- 1 tsp lemon zest
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Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 400°F (200°C). Roll out 1 sheet thawed puff pastry on a baking sheet lined with parchment paper. Using a knife, score a 1-inch border around the edges without cutting through.
- Step 2: Brush the pastry inside the border with 2 tbsp Dijon mustard evenly. Sprinkle 1 cup shredded Gruyère cheese over the mustard layer.
- Step 3: Toss 1 lb trimmed asparagus spears with 1 tbsp olive oil, 1 tsp salt, and 1/2 tsp black pepper. Arrange asparagus spears in a single layer over the cheese.
- Step 4: Bake tart for 20-25 minutes until pastry is golden and puffed, and asparagus is tender. Remove from oven and sprinkle 1 tsp lemon zest over the top before slicing and serving warm.
Frequently asked questions
How long does Asparagus and Gruyère Tart with Dijon Mustard Crust take to make?
Total time is about 40 minutes (15 min prep + 25 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover Asparagus and Gruyère Tart with Dijon Mustard Crust?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in Asparagus and Gruyère Tart with Dijon Mustard Crust?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Asparagus and Gruyère Tart with Dijon Mustard Crust for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Asparagus and Gruyère Tart with Dijon Mustard Crust?
French quick meals like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
