Roast the Carrots: Preheat oven to 400°F (200°C). Toss the carrots with olive oil, maple syrup, thyme, salt, and pepper. Spread on a parchment-lined baking sheet and roast for 20–25 minutes, until tender and caramelized.
Make the Cheese Base: In a bowl, combine Gorgonzola, Greek yogurt, lemon juice, lemon zest, maple syrup, thyme, salt, and pepper. Mix until smooth and spreadable.
Prepare the Puff Pastry: Place puff pastry on a parchment-lined baking sheet. Use a fork to prick the center a few times to prevent over-puffing.
Assemble the Tart: Spread the cheese mixture evenly over the pastry, leaving a 1-inch border around the edges. Arrange the roasted carrots neatly on top. Fold the edges inward to create a rustic rim and brush with egg wash.
Bake to Perfection: Return to the oven and bake for 10–12 minutes, or until the pastry is puffed, golden, and the cheese slightly melted.
Finish & Serve: Drizzle lightly with olive oil, sprinkle with toasted nuts and microgreens, and garnish with fresh thyme sprigs.
Add a drizzle of maple syrup or honey if you’d like extra sweetness. Serve warm with a crisp green salad.