Imprimer ma sélection
Preparation
Preheat oven to 375° F (190°C).
Butter a 9-x13-inch (3 L) baking dish.
Melt 2 Tbsp. (30 mL) of the butter in a skillet over medium-high heat.
Add breadcrumbs; cook, stirring often, until golden brown, about 5–7 minutes.
Transfer to a small bowl and toss with ½ cup of the Gruyere and 2 tsp (10 mL) of the thyme leaves; season with a pinch of the salt and pepper and set aside.
Bring cream, broth, remaining thyme, and remaining butter to a simmer in a medium saucepan over medium heat; season with remaining salt and pepper.
Remove from heat, cover, and let sit 10 minutes.
Cover; keep warm.
Toss vegetables in a large bowl.
Arrange 1/3 of vegetables in dish and top with ½ cup (125 mL) of the Gruyere.
Repeat layers; top with remaining vegetables.
Pour cream mixture over; place a piece of parchment paper directly on top of gratin.